CVE-2026-12567
Symlink-following arbitrary write via github_workflows module
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.
INFO
Published Date :
June 17, 2026, 11:17 p.m.
Last Modified :
June 22, 2026, 5:45 p.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | LOW | 27b6da8a-f51d-48d9-9eef-9b7f3405d20d | ||||
| CVSS 3.1 | LOW | [email protected] |
Solution
- Validate user-controlled repository names.
- Sanitize inputs to prevent symlink attacks.
- Implement strict path validation for directory construction.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-12567.
| URL | Resource |
|---|---|
| https://github.com/blacklanternsecurity/bbot/commit/16d9c42b6 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-12567 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-12567
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-12567 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-12567 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 18, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-12567', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-06-18T12:50:06.432373Z'} -
New CVE Received by [email protected]
Jun. 17, 2026
Action Type Old Value New Value Added Affected [{'repo': 'https://github.com/blacklanternsecurity/bbot', 'vendor': 'Black Lantern Security', 'product': 'BBOT', 'versions': [{'status': 'affected', 'version': '2.0.0', 'versionType': 'custom', 'lessThanOrEqual': '<=2.8.4'}], 'defaultStatus': 'unaffected'}] 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. Added CVSS V3.1 AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N Added CWE CWE-59 Added Reference https://github.com/blacklanternsecurity/bbot/commit/16d9c42b6