CVE-2026-49144

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.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/browserstack/browserstack-runner/security/advisories/GHSA-8rpw-6cqh-2v9h
https://www.vulncheck.com/advisories/browserstack-runner-path-traversal-via-default-http-handler
https://github.com/browserstack/browserstack-runner/security/advisories/GHSA-8rpw-6cqh-2v9h

Configurations

No configuration.

History

03 Jun 2026, 16:16

Type	Values Removed	Values Added
References	~~() https://github.com/browserstack/browserstack-runner/security/advisories/GHSA-8rpw-6cqh-2v9h -~~	() https://github.com/browserstack/browserstack-runner/security/advisories/GHSA-8rpw-6cqh-2v9h -

02 Jun 2026, 21:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-02 21:16

Updated : 2026-07-14 22:17

NVD link : CVE-2026-49144

Mitre link : CVE-2026-49144

CVE.ORG link : CVE-2026-49144

JSON object : View

Products Affected

No product.

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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