github.com/sigstore/cosign vulnerabilities

Browse known CVEs and advisories by package and ecosystem. Severity tells you the worst case. What determines real risk is whether the vulnerable code actually runs in your applications.

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CVE-IDSeverityPackage summary

CVE-2026-39395Mediumgithub.com/sigstore/cosign: Cosign's verify-blob-attestation reports false positive when payload parsing fails CVE-2026-24122Lowgithub.com/sigstore/cosign: Cosign considered signatures valid with expired intermediate certificates when transparency log verification is skipped CVE-2024-29903Mediumgithub.com/sigstore/cosign: Cosign malicious artifacts can cause machine-wide DoS CVE-2024-29902Mediumgithub.com/sigstore/cosign: Cosign malicious attachments can cause system-wide denial of service CVE-2023-46737Lowgithub.com/sigstore/cosign/v2: Cosign vulnerable to possible endless data attack from attacker-controlled registry CVE-2022-36056Mediumgithub.com/sigstore/cosign: Cosign bundle can be crafted to successfully verify a blob even if the embedded rekorBundle does not reference the given signature CVE-2022-35929Highgithub.com/sigstore/cosign: cosign's `cosign verify-attestaton --type` can report a false positive if any attestation exists CVE-2022-23649Lowgithub.com/sigstore/cosign: Improper Certificate Validation in Cosign

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