GO-2026-5952 sigstore-go has a multi-log threshold bypass via single compromised log in github.com/sigstore/sigstore-go

sigstore-go has a multi-log threshold bypass via single compromised log in github.com/sigstore/sigstore-go...

CVE-2026-49834 sigstore-go: Multi-log threshold bypass via single compromised log

sigstore-go is a Go library for Sigstore signing and verification. Prior to 1.2.0, a verifier configured with WithTransparencyLogN1 or WithSignedCertificateTimestampsN1 counts verified witnesses per entry or per validation path rather than per log authority, allowing a single compromised...

EUVD-2026-45287

sigstore-go is a Go library for Sigstore signing and verification. Prior to 1.2.0, a verifier configured with WithTransparencyLogN1 or WithSignedCertificateTimestampsN1 counts verified witnesses per entry or per validation path rather than per log authority, allowing a single compromised...

CVE-2026-49834 sigstore-go: Multi-log threshold bypass via single compromised log

sigstore-go is a Go library for Sigstore signing and verification. Prior to 1.2.0, a verifier configured with WithTransparencyLogN1 or WithSignedCertificateTimestampsN1 counts verified witnesses per entry or per validation path rather than per log authority, allowing a single compromised...

CVE-2026-49834

Technical details for CVE-2026-49834 are not publicly available in the provided documents. Monitor for updates.

sigstore-go has a multi-log threshold bypass via single compromised log

Impact What kind of vulnerability is it? Who is impacted? A verifier configured with WithTransparencyLogN1 or WithSignedCertificateTimestampsN1 expected defense-in-depth against the compromise of a single log instance. However, threshold counting counted verified witnesses per-entry or...

GHSA-9VCR-P3RJ-Q5Q6 sigstore-go has a multi-log threshold bypass via single compromised log

Impact What kind of vulnerability is it? Who is impacted? A verifier configured with WithTransparencyLogN1 or WithSignedCertificateTimestampsN1 expected defense-in-depth against the compromise of a single log instance. However, threshold counting counted verified witnesses per-entry or...

PT-2026-57022

Name of the Vulnerable Software and Affected Versions sigstore-go versions prior to 1.2.0 Description A flaw exists in the verification process when configured with WithTransparencyLogN1 or WithSignedCertificateTimestampsN1. The system counts verified witnesses per entry or per validation path...