Hello,

the gpg signature on the bullseye-security InRelease file has expired on Sep 7th.
Now apt is unable to update the package lists.

https://security.debian.org/debian-security/dists/bullseye-security/InRelease

Origin: Debian
Label: Debian-Security
Suite: oldoldstable-security
Version: 11
Codename: bullseye-security
Date: Mon, 31 Aug 2026 21:13:04 UTC
Valid-Until: Mon, 07 Sep 2026 21:13:04 UTC

Could you please take a look?

Thanks,
Gregor