CVE-2026-55378
NoneCVSS
—
EPSS
0.8%
Published
Aug 28, 2026
CISA due date
—
The record
JS Recon is a JavaScript enumeration and SAST tool. From 1.2.1-beta.1 until 1.3.1-beta.2, the PR Branch Checker workflow in .github/workflows/pr_checker.yml places github.head_ref and github.event.pull_request.head.repo.full_name into BRANCH_NAME and SOURCE_REPO and interpolates those untrusted values into a shell gh pr comment command. A remote user who opens a pull request can use shell metacharacters in a branch or fork name to execute commands in the GitHub Actions runner with the workflow's GITHUB_TOKEN, which has pull-requests write permission. This issue is fixed in version 1.3.1-beta.2.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
Related vulnerabilities
- CVE-2026-96376 Improper Neutralization of Special Elements used in an OS Command ("OS Command… CWE-78
- CVE-2026-113732 virtualenv is a tool for creating isolated virtual python environments. CWE-78
- CVE-2026-113776 virtualenv is a tool for creating isolated virtual python environments. CWE-78
- CVE-2026-113726 virtualenv is a tool for creating isolated virtual python environments. CWE-78
- CVE-2026-113725 virtualenv is a tool for creating isolated virtual python environments. CWE-78
- CVE-2026-113722 virtualenv is a tool for creating isolated virtual python environments. CWE-78
- CVE-2026-112943 launch-editor allows users to open files with line numbers in editor from Node.js. CWE-78
- CVE-2026-112900 Pillow is a Python imaging library. CWE-78