blacklanternsecurity/bbot · Security
BBOT: Symlink-Following Arbitrary Write via github_workflows Module
- GHSA ID
- GHSA-rvp7-w75q-9fv2
- CVE ID
- CVE-2026-12567
- Severity
- low
- Published
- Updated
- CVSS
- 2.2 · CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N
- CVSS v3
- 2.2 · CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N
Description
The github_workflows module constructs local directory paths from user-controlled repository names without validating for symlinks. A local attacker sharing the scan directory can plant a symlink at the predictable output path, causing workflow data to be written to an attacker-chosen location.
CWEs
- CWE-22 · Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
- CWE-59 · Improper Link Resolution Before File Access ('Link Following')