CVE-2026-24122

unknown
Published 2026-02-19 ยท Modified 2026-02-23
CVSS v3
โ€”
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
โ€”

Description

Cosign considered signatures valid with expired intermediate certificates when transparency log verification is skipped in github.com/sigstore/cosign

Predictions

Exploit likelihood
30%
Patch ETA
โ€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

OSVersionStatusFixed in
debian debianforkyaffected
debian debiansidaffected
debian debiantrixieaffected
suse slesaffected

Package impact

EcosystemPackageVulnerableFixed
golang Gogithub.com/sigstore/cosign<3.0.53.0.5
golang Gogithub.com/sigstore/cosign
golang Gogithub.com/sigstore/cosign/v2
golang Gogithub.com/sigstore/cosign/v3<3.0.53.0.5

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.