CVE-2026-112377: Origin Validation Error in CCC-Attestation attested-tls-poc
Description
CCC Attestation SIG attested-tls-poc through commit 731ca82 fails to bind early attestation Evidence to the TLS connection, allowing attackers to relay valid Evidence from a genuine attester. Attackers holding an extracted attested TLS private key can forward the relying party's nonce to a genuine attester and replay its Evidence to impersonate the attested workload and intercept data.
CVSS v4.0
Score 9.1critical
Affected software
CCC-Attestation
attested-tls-poc
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Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-10-19T16:30:42.240Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6ad658232cdf04f6567a873a
Added to database: 10/19/2026, 17:49:23 UTC
Last updated: 10/19/2026, 17:49:23 UTC
Views: 1
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