GO-2026-4529

    Dashboard / Vulnerabilities / GO-2026-4529

    GO-2026-4529

    Published: 23 Feb 2026Last Modified: 16 Jun 2026

    Summary: Cosign considered signatures valid with expired intermediate certificates when transparency log verification is skipped in github.com/sigstore/cosign

    Details: Cosign considered signatures valid with expired intermediate certificates when transparency log verification is skipped in github.com/sigstore/cosign

    References: https://github.com/sigstore/cosign/security/advisories/GHSA-wfqv-66vq-46rm, https://nvd.nist.gov/vuln/detail/CVE-2026-24122, https://github.com/sigstore/cosign/commit/3c9a7363f563db76d78e2de2cabd945450f3781e, https://github.com/sigstore/cosign/releases/tag/v3.0.5

    Affected packages

    Package

    Name: github.com/sigstore/cosign

    Purl: pkg:golang/github.com/sigstore/cosign

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High