UNKNOWNhex →
Path traversal in imported file_entries name allows arbitrary file write via URL-type entry download
Path traversal in imported file_entries name allows arbitrary file write via URL-type entry download
Affected packages
- livebook
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- https://github.com/livebook-dev/livebook/security/advisories/GHSA-r4h8-2xpq-v48g
- https://cna.erlef.org/cves/CVE-2026-66881.html
- https://github.com/livebook-dev/livebook/commit/1443dd23df6e7b9203b6797f0695a807aeb81dde
- https://github.com/livebook-dev/livebook/commit/acf4cb8c0c79b89c795b180f061be7de2d8b5aa9
- https://github.com/livebook-dev/livebook/commit/50f86982ebf36c22abeb379b55ec0f2859c83bb9
- https://hex.pm/packages/livebook
Structured record: https://osv.dev/vulnerability/EEF-CVE-2026-66881
Recommended response stack
Snyk — Scan your dependencies in CI and fix this vulnerability.→Socket — Detect malicious and compromised packages before they ship.→
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