CVE-2026-6420
medium
CVSS v3
6.3
CVSS v4 NEW
—
VIR risk
6.3
Description
Keylime has a hardcoded attestation challenge nonce that allows replay attacks
Predictions
Exploit likelihood
63%
Patch ETA
—
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 — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
References
- https://access.redhat.com/security/cve/CVE-2026-6420
- https://bugzilla.redhat.com/show_bug.cgi?id=2458889
- https://github.com/keylime/keylime/security/advisories/GHSA-q8w6-w55c-ccv5
- https://nvd.nist.gov/vuln/detail/CVE-2026-6420
- https://github.com/keylime/keylime
- https://www.suse.com/security/cve/CVE-2026-6420.html
- https://github.com/advisories/GHSA-q8w6-w55c-ccv5
CWEs
CWE-1241
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.