Vulnerability in Sigstore Sigstore-go
CVE-2026-49834
sigstore-go is a Go library for Sigstore signing and verification. Prior to 1.2.0, a verifier configured with WithTransparencyLog(N>1) or WithSignedCertificateTimestamps(N>1) counts verified witnesses per entry or per validation path rathe…
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Sigstore Sigstore-go — versions < 1.2.0
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-49834?
- CVE-2026-49834 is a medium-severity vulnerability in Sigstore Sigstore-go, classified under Improper Verification of Cryptographic Signature. CVSS score: 5.9/10. Published 2026-07-17.
- How severe is CVE-2026-49834?
- Medium severity. CVSS v3 base score is 5.9 out of 10.