Not analysed yet
We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 9.3 | Critical | 4.0 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N | CNA (GitHub_M) |
- CISA KEV Not listed.
- EPSS 0.0020, the 9th percentile, on 10 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 31 Oct 2026, 15:19 UTC First seen by agentprime
- 31 Oct 2026, 15:19 UTC Confirmed by OSV
Sources
- GitHub Advisory Database: GHSA-m95p-425x-x889
- OSV: GHSA-m95p-425x-x889
- github.com/LFDT-Lockness/cggmp21/security/advisories/GHSA-m95p-425x-x889
- nvd.nist.gov/vuln/detail/CVE-2025-66016
- github.com/LFDT-Lockness/cggmp21/commit/60e0ada5291e771d5649793329d99edd32285e72
- github.com/LFDT-Lockness/cggmp21
- rustsec.org/advisories/RUSTSEC-2025-0129.html
- rustsec.org/advisories/RUSTSEC-2025-0130.html
- www.dfns.co/article/cggmp21-vulnerabilities-patched-and-explained