CVE-2026-108267GHSA-7jfw-53rm-phh2
go: Privasys Go fork: RA-TLS challenge mode did not bind attestation evidence to the TLS session
Privasys go
CVSS
9.1CriticalExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.12%Chance of exploitation activity in the next 30 days, higher than 1% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
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.
Text from CVE List
Affected versions 1
- goaffected: < privasys-v0.5.1-go1.26.5CVE List
References 4
- github.com/Privasys/go/commit/00a7d21ba53bba0ea09ac7a67eb2c6714e651700Fixvia CVE List
- github.com/Privasys/go/releases/tag/privasys-v0.5.1-go1.26.5Fixvia CVE List
- github.com/Privasys/go/security/advisories/GHSA-7jfw-53rm-phh2Advisoryvia CVE List
- privasys.org/blog/binding-attestation-to-the-tls-sessionReferencevia CVE List