CVE-2026-108267

Privasys Go fork: RA-TLS challenge mode did not bind attestation evidence to the TLS session

State
Published
Severity
9.1 Critical
Published
Oct 9, 2026
Updated
Oct 13, 2026
Reserved
Oct 9, 2026

Read the record on cve.org

Description

Privasys Go is a maintained fork of the Go programming language that adds RA-TLS support to crypto/tls. Prior to privasys-v0.5.1-go1.26.5, challenge-mode RA-TLS certificates bound quote ReportData to the certificate public key and client nonce but not to the active TLS session. An attacker who obtained an enclave TLS private key could relay a genuine quote onto another connection, causing a relying party to accept a handshake terminated by the attacker as an attested enclave connection. This issue is fixed in privasys-v0.5.1-go1.26.5.

Scores

CVSSScoreVectorSource
4.09.1 CriticalCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:NGitHub_M

Weaknesses

Affected Products

ProductVersions
goPrivasys
  • < privasys-v0.5.1-go1.26.5Affected

References

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