PatchTheCVECVE-2022-36056: Cosign is a project under the sigstore organization which aims to make signatures invisible infrastructure
CVE-2022-36056 is a medium-severity flaw (CVSS 5.5) affecting cosign. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Cosign is a project under the sigstore organization which aims to make signatures invisible infrastructure. In versions prior to 1.12.0 a number of vulnerabilities have been found in cosign verify-blob, where Cosign would successfully verify an artifact when verification should have failed. First a cosign bundle can be crafted to successfully verify a blob even if the embedded rekorBundle does not reference the given signature. Second, when provi
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.5 (Medium) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.1% (top 96%) |
| CISA exploited list | No |
| Weakness | CWE-347 |
| Published | 2022-09-14 |
| 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-2022-36056?
cosign: upgrade to 1.12.0. Exact commands for each OS are on this page.
Is CVE-2022-36056 being exploited?
CVE-2022-36056 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-2022-36056 affect?
CVE-2022-36056 affects cosign. Severity is medium (CVSS 5.5). Cosign is a project under the sigstore organization which aims to make signatures invisible infrastructure. In versions prior to 1.12.0 a number of vulnerabilities have been found in cosign verify-blob, where Cosign would successfully verif
How urgent is CVE-2022-36056?
Priority 25/100. Public exploit reference
Related CVEs
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- 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-2022-23649 LOW 3.3 UPGRADE Cosign provides container signing, verification, and storage in an OCI registry for the sigstore project