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 |
|---|---|---|---|---|
| 5.0 | Medium | 4.0 | CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:A/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H | CNA (EEF) |
- CISA KEV Not listed.
- EPSS 0.024, the 84th 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-qpjc-w5mm-73mj
- OSV: GHSA-qpjc-w5mm-73mj
- github.com/livebook-dev/livebook/security/advisories/GHSA-qpjc-w5mm-73mj
- cna.erlef.org/cves/CVE-2026-66297.html
- github.com/livebook-dev/livebook/commit/b2a8416d149043132fe5a14ed611e0fefc9dc9cd
- github.com/livebook-dev/livebook/commit/0c2487326bbb37cb1eb43bb2f76eb93ad9f8fd6b
- github.com/livebook-dev/livebook/commit/f8fe9c62cb8bfc1dd0ccda4ea4a57c5e91563c85
- hex.pm/packages/livebook