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 |
|---|---|---|---|---|
| 8.6 | High | 4.0 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | CNA (EEF) |
- CISA KEV Not listed.
- EPSS 0.0027, the 18th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 31 Oct 2026, 15:25 UTC First seen by agentprime
- 31 Oct 2026, 15:25 UTC Confirmed by OSV
Sources
- GitHub Advisory Database: GHSA-68c2-prqg-x62g
- OSV: GHSA-68c2-prqg-x62g
- github.com/livebook-dev/livebook/security/advisories/GHSA-68c2-prqg-x62g
- cna.erlef.org/cves/CVE-2026-66298.html
- github.com/livebook-dev/livebook/commit/296318ffdfa6e5ed7b18ad8d5a5b2af90f3cd728
- github.com/livebook-dev/livebook/commit/a552ce8f99ad348ea37061394dc950a0cebdb33e
- github.com/livebook-dev/livebook/commit/5980e5c6b71036806b3bf54101eb1d6c0f50f19c
- hex.pm/packages/livebook