this post was submitted on 12 Jun 2026
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400+ Arch Linux AUR Packages Compromised in a Supply Chain Attack Deploying Infostealers (cybersecuritynews.com)
submitted 17 hours ago by rafssunny@lemmy.zip to c/technology@lemmy.world
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[–] Tetsuo@jlai.lu 67 points 17 hours ago (25 children)

I hope all the Arch based distros will do a proper post to inform their users on how to cleanup afterwards.

I'm hoping at least cachyos, the distro I use, will tell me exactly how to check and clean my system.

I remember that when I installed a few of my AUR package, I was well aware that this repo was pretty much unregulated and that I just have to trust it's safe. So I made sure to only use AUR as a last resort. But there was warnings on cachyos that were displayed to tell me to be cautious about it so that's at least a positive.

[–] yesman@lemmy.world 60 points 17 hours ago* (last edited 17 hours ago) (24 children)

The article has instructions to do exactly that.

Users who regularly install AUR packages should take the following steps immediately:

Run pacman -Qm to list all foreign (AUR) packages installed on your system and cross-reference against the published list of compromised packages

Audit recent PKGBUILD history for any packages installed between June 10–12, 2026

Rotate all credentials — browser passwords, SSH keys, API tokens, and cloud access keys — if any flagged package was installed

Scan for suspicious processes masquerading as kernel threads using tools like rkhunter or chkrootkit

Consider using AUR helpers with PKGBUILD review prompts enabled by default.

The Checklist of infected packages

[–] gemakey@lemmy.world 4 points 16 hours ago (2 children)

Holy shit it's like all of Python.

[–] Eldritch@piefed.world 4 points 16 hours ago

Yeah, Python has been a massive vulnerability for a long while. And the AUR has similar issues. This is only getting widespread coverage now. But it's always been a risk.

[–] CaptDust@sh.itjust.works 2 points 16 hours ago (2 children)

Well, those are mostly extension libraries, stuff "normally" installed using pip. Arch is kind of unique that they encourage using system aur over pip, npm and other package managers. While it is a big radius, none of the python packages stick out to me, but maybe I just haven't encountered the popular ones.

[–] esc@piefed.social 3 points 13 hours ago (1 children)

It isn't really all that unique? Debian does it, el does it, probably almost any popular distro?

[–] CaptDust@sh.itjust.works 1 points 12 hours ago

I suppose it's become more common since PEP 668 was introduced, less unique these days.

[–] iocase@lemmy.zip 4 points 15 hours ago

The attackers specifically targeted orphaned projects on AUR so it's no wonder most of those aren't familiar to us.

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