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...

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...

Linux Distros Unpatched Vulnerability : CVE-2026-6420

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in Keylime. An attacker with root access on an enrolled monitored machine, where the Keylime agent runs, can exploit a vulnerability in the...

CVE-2023-3674

A flaw was found in the keylime attestation verifier, which fails to flag a device's submitted TPM quote as faulty when the quote's signature does not validate for some reason. Instead, it will only emit an error in the log without flagging the device as untrusted...