Product by Sigstore

    Cosign

    9 known vulnerabilities in Cosign (Sigstore), 0 of them actively exploited (CISA KEV).

    Key figures

    9

    Vulnerabilities

    0

    Actively exploited (KEV)

    0

    Used by ransomware

    1

    Critical

    Vulnerabilities

    Actively exploited vulnerabilities (CISA KEV) first, then by priority. Click a column header to re-sort the table.

    Vulnerabilities in Cosign (Sigstore)
    CriticalCVE-2022-35929

    False positive signature verification in cosign

    also in 1 other product

    7.1
    HighCVE-2024-29903

    Cosign vulnerable to machine-wide denial of service via malicious artifacts

    also in 2 other products

    4.2
    MediumCVE-2024-29902

    Cosign vulnerable to system-wide denial of service via malicious attachments

    also in 2 other products

    4.2
    MediumCVE-2026-22703

    Cosign verification accepts any valid Rekor entry under certain conditions

    also in 1 other product

    5.5
    MediumCVE-2023-46737

    Possible endless data attack from attacker-controlled registry in cosign

    also in 2 other products

    3.1
    MediumCVE-2026-39395

    Cosign's verify-blob-attestation reports false positive when payload parsing fails

    also in 1 other product

    4.3
    LowCVE-2026-24122

    Cosign Certificate Chain Expiry Validation Issue Allows Issuing Certificate Expiry to Be Overlooked

    also in 1 other product

    3.7
    MediumCVE-2022-36056

    Vulnerabilities with blob verification in sigstore cosign

    also in 1 other product

    5.5
    LowCVE-2022-23649

    Improper Certificate Validation in Cosign

    also in 1 other product

    3.3

    All products by Sigstore