CVE-2026-49144
Medium · 6.5CVSS
6.5
EPSS
0.4%
Published
Jun 2, 2026
CISA due date
—
The record
BrowserStack Runner through 0.9.5 contains a path traversal vulnerability in the _default HTTP handler in lib/server.js that allows unauthenticated network-adjacent attackers to read arbitrary files. Attackers can exploit the unauthenticated HTTP server bound on all interfaces to traverse outside the project root and access sensitive files.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| npm | browserstack-runner | 0 | No fix |
Related vulnerabilities
- GHSA-8rpw-6cqh-2v9h browserstack-runner has an unauthenticated arbitrary file read via path traversal in HTTP… Same vulnerability
- GHSA-6vr3-7wcx-v5g5 browserstack-runner vulnerable to Remote Code Execution via vm sandbox escape in _log… Also affects browserstack-runner
- CVE-2026-49143 BrowserStack Runner through 0.9.5 contains a remote code execution vulnerability in the… Also affects browserstack-runner
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