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 |
|---|---|---|---|---|
| 7.5 | High | 3.1 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N | GitHub Advisory Database |
- CISA KEV Not listed.
- EPSS No score.
Timeline
- 31 Oct 2026, 15:08 UTC First seen by agentprime
- 31 Oct 2026, 15:08 UTC Confirmed by OSV
Sources
- GitHub Advisory Database: GHSA-m38g-vww2-mvgx
- OSV: GHSA-m38g-vww2-mvgx
- github.com/siderolabs/talos/security/advisories/GHSA-m38g-vww2-mvgx
- nvd.nist.gov/vuln/detail/CVE-2026-31431
- github.com/Percivalll/Copy-Fail-CVE-2026-31431-Kubernetes-PoC
- github.com/siderolabs/talos
- github.com/theori-io/copy-fail-CVE-2026-31431
- xint.io/blog/copy-fail-linux-distributions