CVE-2026-108267

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.

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Weakness Type (CWE)

CWE-346 CWE-346

References

Other References

https://github.com/Privasys/go/commit/00a7d21ba53bba0ea09ac7a67eb2c6714e651700 https://github.com/Privasys/go/releases/tag/privasys-v0.5.1-go1.26.5 https://github.com/Privasys/go/security/advisories/GHSA-7jfw-53rm-phh2 https://privasys.org/blog/binding-attestation-to-the-tls-session

Frequently Asked Questions

What is CVE-2026-108267? +

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.

How do I check if I'm vulnerable to CVE-2026-108267? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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