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.
History

Wed, 03 Jun 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 03 Jun 2026 12:45:00 +0000

Type Values Removed Values Added
First Time appeared Browserstack
Browserstack browserstack-runner
Vendors & Products Browserstack
Browserstack browserstack-runner

Wed, 03 Jun 2026 02:30:00 +0000

Type Values Removed Values Added
Description 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.
Title BrowserStack Runner 0.9.5 Path Traversal via _default HTTP Handler
Weaknesses CWE-22
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-06-02T20:34:54.748Z

Updated: 2026-06-03T14:25:18.128Z

Reserved: 2026-05-27T17:40:12.739Z

Link: CVE-2026-49144

cve-icon Vulnrichment

Updated: 2026-06-03T14:24:15.767Z

cve-icon NVD

Status : Received

Published: 2026-06-02T21:16:28.230

Modified: 2026-06-03T16:16:31.183

Link: CVE-2026-49144

cve-icon Redhat

No data.