PatchTheCVECVE-2022-23649: Cosign provides container signing, verification, and storage in an OCI registry for the sigstore project
CVE-2022-23649 is a low-severity flaw (CVSS 3.3) affecting cosign. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Cosign provides container signing, verification, and storage in an OCI registry for the sigstore project. Prior to version 1.5.2, Cosign can be manipulated to claim that an entry for a signature exists in the Rekor transparency log even if it doesn't. This requires the attacker to have pull and push permissions for the signature in OCI. This can happen with both standard signing with a keypair and "keyless signing" with Fulcio. If an attacker has
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 3.3 (Low) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.2% (top 95%) |
| CISA exploited list | No |
| Weakness | CWE-295 |
| Published | 2022-02-18 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2022-23649?
cosign: upgrade to 1.5.2. Exact commands for each OS are on this page.
Is CVE-2022-23649 being exploited?
CVE-2022-23649 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2022-23649 affect?
CVE-2022-23649 affects cosign. Severity is low (CVSS 3.3). Cosign provides container signing, verification, and storage in an OCI registry for the sigstore project. Prior to version 1.5.2, Cosign can be manipulated to claim that an entry for a signature exists in the Rekor transparency log even if
How urgent is CVE-2022-23649?
Priority 13/100. No elevated risk signals yet.
Related CVEs
- CVE-2026-39395 MEDIUM 4.3 UPGRADE Cosign provides code signing and transparency for containers and binaries
- CVE-2024-29903 MEDIUM 4.2 UPGRADE Cosign provides code signing and transparency for containers and binaries
- CVE-2024-29902 MEDIUM 4.2 UPGRADE Cosign provides code signing and transparency for containers and binaries
- CVE-2023-46737 LOW 3.1 UPGRADE Cosign is a sigstore signing tool for OCI containers
- CVE-2022-36056 MEDIUM 5.5 UPGRADE Cosign is a project under the sigstore organization which aims to make signatures invisible infrastructure