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OSV
OSV
•added 2026/07/13 3:15 p.m.•15 views

PYSEC-2026-2548 Keylime has a hardcoded attestation challenge nonce that allows replay attacks

CVE-2026-6420: Hardcoded attestation challenge nonce allows replay attacks Impact The CertificationParameters.generatechallenge method in the push attestation protocol uses a hardcoded challenge nonce instead of generating a cryptographically random value. This removes the nonce-based replay...

6.3CVSS6.1AI score0.00176EPSS
SaveExploits0References7
Github Security Blog
Github Security Blog
•added 2026/05/11 2:42 p.m.•38 views

Keylime has a hardcoded attestation challenge nonce that allows replay attacks

CVE-2026-6420: Hardcoded attestation challenge nonce allows replay attacks Impact The CertificationParameters.generatechallenge method in the push attestation protocol uses a hardcoded challenge nonce instead of generating a cryptographically random value. This removes the nonce-based replay...

6.3CVSS5.8AI score0.00176EPSS
SaveExploits0References5Affected Software1
OSV
OSV
•added 2026/05/11 2:42 p.m.•8 views

GHSA-Q8W6-W55C-CCV5 Keylime has a hardcoded attestation challenge nonce that allows replay attacks

CVE-2026-6420: Hardcoded attestation challenge nonce allows replay attacks Impact The CertificationParameters.generatechallenge method in the push attestation protocol uses a hardcoded challenge nonce instead of generating a cryptographically random value. This removes the nonce-based replay...

6.3CVSS5.8AI score0.00176EPSS
SaveExploits0References5
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