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 |
|---|---|---|---|---|
| 8.8 | High | 4.0 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N | CNA (Sonatype) |
- CISA KEV Not listed.
- EPSS 0.0075, the 55th percentile, on 13 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 28 Nov 2025, 16:15 UTC Confirmed by NVD
- 31 Oct 2026, 14:17 UTC First seen by agentprime
- 31 Oct 2026, 14:17 UTC Confirmed by OSV
Sources
- GitHub Advisory Database: GHSA-vqf4-7m7x-wgfc
- OSV: GHSA-vqf4-7m7x-wgfc
- nvd.nist.gov/vuln/detail/CVE-2025-12183
- github.com/yawkat/lz4-java
- github.com/yawkat/lz4-java/releases/tag/v1.8.1
- sites.google.com/sonatype.com/vulnerabilities/cve-2025-12183
- www.sonatype.com/security-advisories/cve-2025-12183
- www.openwall.com/lists/oss-security/2025/12/01/5