Compromised LiteLLM 1.107.0 on PyPI Installs a Credential Stealer and Backdoor (safedep.io)
354 points by abhisek 8 hours ago
rsanheim an hour ago
This is the second significant exploit against LiteLLM in what, a year or two ? Just last night I came across notes and a script from an older claude session to help audit all project dependencies and verify nothing used litellm.
Okay, checked, it was March of this year: https://futuresearch.ai/blog/litellm-pypi-supply-chain-attac.... What even is time anymore in the llm age?
atmosx 17 minutes ago
Indeed, I don't think I'm upgrading ever again. I'll stuck with 1.04.2 for a year or two. Feels like a Russian rulette at this point.
linsomniac 4 hours ago
Just going to remind you all that https://canarytokens.org/ exists.
dropbox_miner 4 hours ago
TIL! this is cool
crossroadsguy 4 hours ago
All the sandbox-exec and all the Lulu rules are not going to protect against something like this.
At one point permission pop-up fatigue sets in we start giving any permission as if it's normal. We also become desensitised to isntalling tools: brew, npm, it becomes second nature.
"Oh, those 367 tools installed by package X? Yeah yeah, must be normal, that's how all these work now".
"Brew shows 59 packages outdated?". "Must upgrade". "Yeah, done. Perfect".
And the advent of agents and harnesses. It's not a matter of whether, it's when! OSes need to do something about it. Help users have complete separate "program space" at ease with better, easier, and lighter VMs if nothing else. I know, I know - Unix and Linux solved all this even before Alexander III of Macedon started wearing his nappies. Of course.
fdsjgfklsfd 2 hours ago
No no it's really important that I have 5-factor authentication on every website and it requires me to go through the whole login process again every time I break eye contact.
hoppp 2 hours ago
Ready to add anal probes?
isityettime an hour ago
> All the sandbox-exec and all the Lulu rules are not going to protect against something like this.
No, you can block this with sandboxing tools. For my LLM agents, I use a tool called Nono, whose macOS implementation is built on the same foundation as sandbox-exec. One of the key features it supports (and it's not the only tool that does this) is proxying and the injection of credentials via the proxy. For example, when I run Codex at work, Codex does not have access to my Azure AI Foundry API credentials. It sends out requests via dummy credentials, and the proxy injects the real ones outside the sandbox.
The other thing that proxy does is let you restrict network access in various ways. So you can run something like LiteLLM so that it doesn't have access to the internet at large; it can only talk to Azure AI Foundry or AWS Bedrock or whoever your inference provider is. You sandbox LiteLLM separately from your agents, and you give it access to much less. The software firewall stuff isn't perfect but it is a significant defense against things like this.
There are also lots of other restrictions that are easy to do which mitigate this. Nono blocks access to the root of $HOME, then selectively allows access to paths within it, and also explicitly blocks access to common paths to secrets. So it's pretty easy to make sure that access to important things are blocked: SSH credentials, GnuPG socket (and local Unix sockets in general), local OS keyrings, etc.
The way I use tools like this is exclusively by writing policy, testing it, and revising where the policy is inadequate. I never get approval fatigue because I don't do approvals.
You're right that attacks like this are hard to defend against, and that we're used to tool sprawl, and also that LLMs can do things like install tools we don't expect them to themselves! But there are ways to anticipate and mitigate attacks like this. Sandboxing tools (including contained and VMs) that support credential injection are genuinely useful for this.
drdaeman 21 minutes ago
Until this Nono tool gets a supply chain attack and happily ships all your Azure credentials somewhere they aren’t supposed to be, then starts mining Monero or something.
LiteLLM is frequently used in roughly the same scenario - trading virtual LAN-only keys for real ones as it relays requests to the inference providers.
abhisek 3 hours ago
What are you talking about? Even dependency cooldown of 24h is enough to protect the consumers from these breaches. The attack did not have any novelty, used a newly registered look-alike domain for C2 and a PTH technique which is now known.
Sandbox comes in for the unknown ones and yes, its a pain to get the profile right.
lrvick 3 hours ago
> Even dependency cooldown of 24h is enough to protect the consumers from these breaches.
From some of them perhaps, but plenty hide for -years- undetected.
nvme0n1p1 2 hours ago
cptmurphy 3 hours ago
Fuchsia solved that
caaqil 3 hours ago
> Unix and Linux solved all this even before Alexander III of Macedon started wearing his nappies
I mean, didn't Linux shells invent pop-up fatigue? I thought we (yes, we) all used to -y flag preemptively so the upgrades and installations/setups go through. Linux really did do it first, the agents are just more needy and their popups more verbose now, but not exactly new.
VM isn't a silver bullet.
fc417fc802 an hour ago
Stuff like this is highly context dependent. It is a good thing that apt asks about each step. I voluntarily add more of this by opting for things like listbugs. If I then decide to override such protections with a -y for whatever reason that's a choice on my part to prioritize convenience.
Either way it's got nothing to do with security - I was never going to catch a vulnerability in the central debian repos by reading a list of dependent packages.
pkulak 5 hours ago
How could this happen to a project with 55k commits in three years?
Aurornis 3 hours ago
The compromise appears somewhere in the build and deploy system.
> No public commit in BerriAI/litellm contains data = "cook" or a cook/ folder.
> SafeDep assesses, with moderate to high confidence, that BerriAI’s private release pipeline built these wheels from an attacker-modified git source.
crossroadsguy 4 hours ago
Every harness thinking right now… "if we want do something like this we won't even have to compromise anything."
zargon 4 hours ago
Sarcasm?
pkulak 4 hours ago
haha, yes, sorry.
rirze 4 hours ago
threecheese 2 hours ago
"Attackers compromised 3 unique developer github credentials" is a little scary; this seems systemic - if three developers had their keys stolen, it implies the real problem is elsewhere.
They revoked all but one developers, which is probably the right approach, but I'd pin LiteLLM to "something before this version" and keep it there until further notice!
madamelic 5 hours ago
I am not following how someone snuck the files into the release.
All I read was that it creates a directory from the build file but seemingly no description how new files or added dependencies slipped by. Was `cook.pth` a dependency that got automatically downloaded from PyPI on install and then the build system put it into dependencies?
--
Leaving this for others:
> BerriAI’s private release pipeline built these wheels from an attacker-modified git source. The attacker could have used a compromised maintainer or bot credential, a private branch or mirror, or the reference the pipeline builds from. A stolen PyPI token used from the attacker’s own machines fits the evidence less well.
Makes sense. It was that a maintainer or the private pipeline was attacked and the malicious dependency was injected there by squatting on the maintainer's local copy rather than the dependency being hijacked for everyone. Very clever.
aakashpawar 5 hours ago
If that's right then attestations wouldn't have saved anyone here either. They prove which workflow published the wheel, not what source that workflow checked out. A private pipeline building from the same-looking repo still gives you a perfectly valid attestation.
What would catch it is someone rebuilding from the public tag and comparing the result, which almost nobody does for the python wheels. I have been treating attestations as the answer for my own project's releases, so this is a good reminder of where they stop.
yujonglee 3 hours ago
Official Incident Post: https://docs.litellm.ai/blog/security-incident-oct-21-2026
stbenjam 6 hours ago
IMHO defaults for uv, npm, etc should all have a cooldown for 24 - 48 hours by default, you should have to go out of your way to install something newer.
sunbum 3 hours ago
I use safechain for this, because there is always gonna be another package manager configured wrong. https://github.com/AikidoSec/safe-chain
robinhoodexe 6 hours ago
We have 7d cooldown on packages on an internal pypi proxy but that blocks security updates also, which we now have to manually exclude from the cooldown.
I’m unsure how to automate this properly, maybe an LLM is the best starting point.
mbrumlow 6 hours ago
Are security updates immune ?
tikkabhuna 5 hours ago
fmbb 6 hours ago
dlkasajiewo 6 hours ago
mattstir 6 hours ago
trollbridge 5 hours ago
Problem is, we leave ourselves open for LLM injection attacks.
happyPersonR 2 hours ago
I’d imagine there were probably fixes for critical CVEs that were included …. A lot of companies are on a 24 hour timeline to get them out.
rcleveng 6 hours ago
I didn't realize they've all such added that, this was a change we made to our own projects last year when these first started - glad to see it's common.
Risk is ensuring enough security researchers are finding these and quarantining these before that default cooldown lapses.
stbenjam 6 hours ago
Yea, I think all the tools have this now but its not a default. Install scripts should also be turned off by default and require some hassle to turn them on for the first time in a package.
0c3ca83 4 hours ago
The last time I looked for information, I remember seeing that the median supply chain attack was in place for multiple months to years before being discovered. Cooldowns shorter than that seem like snake oil.
whatshisface 4 hours ago
If we all implement a cooldown, nobody will find the attack. This implies the cooldown length must be the cooldown length plus one month.
stratos123 an hour ago
comboy 2 hours ago
0c3ca83 4 hours ago
giancarlostoro 6 hours ago
I wonder if in some cases it's not so much that people are updating too quickly, but rather, their deployment pipelines do not have pinned / frozen versions attached to their builds.
galoisscobi 4 hours ago
Then we’ll find out about malware 24 - 48 hours later.
saasisdead 4 hours ago
Last time they had this, I just vibe coded a version of lite llm and it actually works better
starfallg 4 hours ago
Yeah, thinking that after the last supply chain attack, people would be smarter than ship things with LiteLLM.
luke-stanley 3 hours ago
Is that you Max?
baddash 6 hours ago
litellm in the news again
TZubiri 6 hours ago
What's interesting here is that this will only affect those who did not migrate off LiteLLM after it was attacked the first time.
I'm not saying everyong should migrate after there's a vuln, but I'm definitely saying that. Unless it's something huge and foundational like a programming language (PHP gets a second chance), just migrate within the next couple of weeks.
I didn't even have it installed the first time, so the ideal programmers, (read, your competition), actually suffered 0 vulns from this dep, if you suffered 1, that's already pretty bad, being burnt twice should be a wake up call. If you get hit 3 times by the same dependency, it's a lost case.
wongarsu 6 hours ago
As someone who does not use litellm but instead a barely maintained underpowered alternative: what did everyone migrate to?
If it matters, I am mostly interested in the aspect of having a proxy that unifies multiple ollama and openai-compatible endpoints with model-based routing and failover. Optionally with api-keys, reporting, budgets, etc. I do not particularly care about the MCP gateway, Agent-To-Agent thingy, and whatever else LiteLLM bolted on over time
tkz1312 6 hours ago
hoppp 2 hours ago
dannyboland 5 hours ago
connorbrinton 5 hours ago
TZubiri 4 hours ago
john_strinlai 6 hours ago
>PHP gets a second chance
second? i haven't kept count, but we have to be somewhere in the hundreds of chances now
antonvs 4 hours ago
> I'm not saying everyone should migrate after there's a vuln, but I'm definitely saying that.
Turns out Ancient Aliens was onto something all along.
tech_solver 6 hours ago
its litellm again. I wonder about maintainer trustworthiness
rcleveng 7 hours ago
Seriously again for litellm? I really with that things like Google ADK didn't add this to my deps.
cyanydeez 6 hours ago
all popular, free, ungated software will be poisoned; like kesler syndrome but for the world of open source software.
taylorfinley 5 hours ago
Horrifying framing, I will remember that analogy viscerally. Well done.
hmokiguess 5 hours ago
https://github.com/BerriAI/litellm/issues/47826#issuecomment...
> OSS Users > For the time being, please pin your version to 1.106.2 or any explicit version published prior to now.
> Enterprise Customers > There currently exists a private LiteLLM registry for enterprise customers, in which we are distributing an embargoed release that remediates a vulnerability whose disclosure date is scheduled for October 27. Our private registry is not affected. If you are an enterprise customer pulling from our private registry you are not affected.
wongarsu 4 hours ago
So they sell advance access to information that will allow me to hack other people's LiteLLM instances?
Seems a little unethical
ctxc 4 hours ago
I'm not following, what did you mean?
wongarsu 4 hours ago
avereveard 5 hours ago
Again this is the second time this year
nairboon 3 hours ago
Isn't that at least the second time that LiteLLM got compromised?
mihaaly 2 hours ago
Déjà vu for both of us, huh?
santiago-pl 7 hours ago
I wish all the best to LiteLLM team with handling it again. I can imagine how challenging are situations like this one.
However, if anyone is looking for 20x faster and less "targeted" LiteLLM alternative - I'm work on one in Go. That's why GoModel it's called. https://github.com/ENTERPILOT/GoModel/
ghrl 6 hours ago
Sounds like a reasonable choice of a language.
I myself have written a small llm proxy in Go, doing nothing but injecting the real API key to outgoing requests while itself validating virtual keys it generates, and it works great.
santiago-pl 6 hours ago
Definitely it was a deliberated decision. Also enterprises adapt Go more and more.
TZubiri 6 hours ago
If you don't use any LLM router, it's infinity times faster, and infitesimally as targetted.
verdverm 3 hours ago
I have GoModel running at home, being deployed at work. There are many good reasons to run a gateway, some include
- being resilient to upstream provider downtime
- centrally managed config/controls
- visibility and allocation into usage and costs
We are deploying a gateway at work primarily for these three.
At home, GoModel's virtual models have been super helpful for testing out new open weights. I can change the model deployed in vLLM without having to change any of my downstream tools, which get a stable name.
toxik 4 hours ago
Yeah, this DIY MITM attack is entirely avoidable.
merelydev 4 hours ago
A bad day for opensource, but I guess this is how we get stronger patch by patch.
infecto 6 hours ago
Any package hosts that scan and include cooldowns by default that operate on a consumption model? The ones I have seen all charge a lot.
wallrat an hour ago
Bytesafe (https://bytesafe.dev). Pure Dependency Firewall, not a package host, with usage based pricing.
edoceo 5 hours ago
This one ? https://news.ycombinator.com/item?id=46909037
I use it, I don't cooldown, proper version pinning for me.
abhisek 6 hours ago
Not sure about a service, but PMG enforces dependency cooldown and sandbox on package install. https://github.com/safedep/pmg
TZubiri 6 hours ago
Socket.dev
Tell em Tom Zubiri sent ya (I don't get a commission, just good karma)
cyanydeez 6 hours ago
man, people are going to be sorely disappointed in what's free on the internet in a couple of years.
Agents and malware will eradicate all goodwill left.
Good by internet.
syntaxing 6 hours ago
I figured LLMs nowadays would be good enough to catch issues like this. Is it because it’s too costly to do it?
abhisek 6 hours ago
Yes if you use LLM to analyse everything. Not really if you analyse diffs, with heuristics to select candidates for LLM/agent based analysis. But at the cost of missing out novel attacks.
1-6 5 hours ago
This is the 2nd time. I'm glad I moved away from this platform.
callamdelaney 6 hours ago
Why on earth do these people make it impossible to select the title of their article?
nkjoep 6 hours ago
it's just the poor styling of the selection highlight colour.
hungryhobbit 6 hours ago
To clarify a little further, you can select the title, you just can't tell that it's selected because the author made a "poor" (REALLY REALLY DUMB) decision to deliberately style away a basic browser feature (text highlighting).
worldsavior 5 hours ago
1vuio0pswjnm7 5 hours ago
1792590200 | LiteLLM Hijacked: Malicious 1.107.0 Wheels Steal Credentials | https://research.jfrog.com/post/litellm-hijacked-again/ | https://news.ycombinator.com/item?id=50180838 | 0 comments
1792590232 | Litellm 1.107.0 Compromised | https://github.com/BerriAI/litellm/issues/47826 | https://news.ycombinator.com/item?id=50180845 | 0 comments
0xbadc0de5 7 hours ago
Again! Yikes.
jiwidi 7 hours ago
Twice? uiuiui
rvz 7 hours ago
So in just 1 week:
1. Google Cloud Outage [0]
2. eMudhra CA private key Leak [1]
3. PingCap TiDB 10.6 TB data Leak [2]
4. PHP2Shell uncovers critical CVEs (with AI) [3]
...and now we have Round 2 of a LiteLLM compromise after the first one in [4].
[0] https://news.ycombinator.com/item?id=50163961
[1] https://news.ycombinator.com/item?id=50166579
[2] https://news.ycombinator.com/item?id=50173716
gcr 6 hours ago
don't forget today's NodeJS security update addressing its own RCE bugs!
rolls-reus 5 hours ago
is the google outage related to a security incident?
push0ret 4 hours ago
No, it was a power event localized to one building.
petesergeant 6 hours ago
> There currently exists a private LiteLLM registry for enterprise customers, in which we are distributing an embargoed release that remediates a vulnerability whose disclosure date is scheduled for October 27.
https://github.com/BerriAI/litellm/issues/47826
oh boy. Announcing that there's a private enterprise repo you should be paying for if you don't want a credential stealer in your build is quite the optic, and then announcing there's an undisclosed second vulnerability that's being distributed, just not to the poors...
sullivanmatt 6 hours ago
That's not what's being said, at all. They are simply telling their enterprise customers that there is a different build pathway for the enterprise builds and that pathway wasn't impacted by this issue.
Also if you don't like organizations fixing vulns without releasing the open source first, you're going to be upset when you learn how every major vuln and associated patches are distributed long before the fixes hit the repos. A timely example of this is PHP, literally today.
petesergeant 6 hours ago
> A timely example of this is PHP, literally today.
Sorry, there was a paid-for PHP release that fixed it I could have gotten a week ago, and that they publicly announced existed, and it was just people who don't pay for PHP who had to wait...?
sullivanmatt 5 hours ago
chias 2 hours ago
Note: I work at LiteLLM
There exists a critical vulnerability which affects only Enterprise LiteLLM deployments, and does not affect OSS deployments.
We have provided our customers with patched releases distributed via a private registry and are allowing them some time to update their deployments before we release the fix in our public registry and disclose the vulnerability details. Releasing the fix publicly in an open source product would be a de-facto vulnerability disclosure.
SomaticPirate 5 hours ago
Second f**king time. Just torching their reputation at this point
abletonlive 3 hours ago
Well it seems like it’s over for litellm. You’d have to be negligent to be using them at this point. If you’re managing this at your company good luck explaining why you should continue to use litellm after this
bcvvvy 6 hours ago
Fuck this week.
antonvs 4 hours ago
There are over 8 billion people on Earth, and some subset of the computer systems that they all use are going to have issues, every day.
It's really not as bad as the accumulated headlines and exploitative hype make it sound.
It's similar to the mass hysteria and moral panics over things like child abduction. Media reports make certain dangers seem much more important than they really are, when considered in context.
zxilly 5 hours ago
Welcome to the AI era, every week in the near future