# github.com/sigstore/cosign/v3 (Go) vulnerabilities

3 known vulnerabilities (2 medium, 1 low), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: not known (cve.now hasn't read this package's releases)
- Newest unaffected release: not known without release data
- Registry: https://pkg.go.dev/github.com/sigstore/cosign/v3

## Advisories (3)

### [CVE-2026-39395](https://cve.now/CVE-2026-39395): Cosign's verify-blob-attestation reports false positive when payload parsing fails

- Severity: Medium 4.3
- Published: Apr 7, 2026
- Affected: from 3.0.0, fixed in 3.0.6.

### [CVE-2026-24122](https://cve.now/CVE-2026-24122): Cosign Certificate Chain Expiry Validation Issue Allows Issuing Certificate Expiry to Be Overlooked

- Severity: Low 3.7
- Published: Feb 19, 2026
- Affected: fixed in 3.0.5.

### [CVE-2026-22703](https://cve.now/CVE-2026-22703): Cosign verification accepts any valid Rekor entry under certain conditions

- Severity: Medium 5.5
- Published: Jan 10, 2026
- Affected: fixed in 3.0.4.

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