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Advisory record · GHSA-q8w6-w55c-ccv5

Keylime has a hardcoded attestation challenge nonce that allows replay attacks

CVSS 6.3 MediumEPSS 0.0012 · 1st percentile

Published by the GitHub Advisory Database at 11 May 2026, 14:42 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
keylimePyPI>=7.14.0, <7.14.27.14.2
Identifiers
GHSA-q8w6-w55c-ccv5 · CVE-2026-6420 · PYSEC-2026-2548
Weakness (CWE)
CWE-294 · CWE-329 · CWE-547 · CWE-1241
Tags
Published
11 May 2026
Updated
13 Jul 2026

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
6.3 Medium 3.1 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L CNA (redhat)
  • CISA KEV Not listed.
  • EPSS 0.0012, the 1st percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 6 May 2026, 10:19 UTC Confirmed by the CVE List
  2. 6 May 2026, 11:16 UTC Confirmed by NVD
  3. 31 Oct 2026, 15:01 UTC First seen by agentprime
  4. 31 Oct 2026, 15:01 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.