CVEvulnerability

CVE-2023-49291

9.8 CRITICAL Published 2023-12-05 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2023-12-05
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.3 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:N
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-20

Description

tj-actions/branch-names is a Github action to retrieve branch or tag names with support for all events. The `tj-actions/branch-names` GitHub Actions improperly references the `github.event.pull_request.head.ref` and `github.head_ref` context variables within a GitHub Actions `run` step. The head ref variable is the branch name and can be used to execute arbitrary code using a specially crafted branch name. As a result an attacker can use this vulnerability to steal secrets from or abuse `GITHUB_TOKEN` permissions. This vulnerability has been addressed in version 7.0.7. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Affected configurations

• tj-actions branch-names (< 7.0.0) • tj-actions branch-names (>= 7.0.1 < 7.0.7)

Related

Weakness · CWE (1)

  • CWE-20 Improper Input Validation weakness

References