CVE-2026-12567

Symlink-following arbitrary write via github_workflows module

Published Jun 17, 2026 CVSS 3.1 · 2.2 Low EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-rvp7-w75q-9fv2 BBOT: Symlink-Following Arbitrary Write via github_workflows Module
History
Type Values Removed Values Added
First Time appeared Black Lantern Security
Black Lantern Security bbot
Vendors & Products Black Lantern Security
Black Lantern Security bbot
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Symlink-following arbitrary write via github_workflows module
Weaknesses CWE-59
References
Metrics cvssV3_1

{'score': 2.2, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
BLSOPS
Published
Updated
Jun 18, 2026, 12:50 PM
Reserved
Jun 17, 2026, 9:49 PM
Status
Deferred
Published
Jun 17, 2026, 11:17 PM
Modified
Oct 26, 2026, 11:10 AM