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.
Published: 2026-06-02
Score: 7.1 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-8rpw-6cqh-2v9h browserstack-runner has an unauthenticated arbitrary file read via path traversal in HTTP server
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'}


Subscriptions

Browserstack Browserstack-runner
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

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 : Deferred

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

Modified: 2026-06-04T16:10:59.820

Link: CVE-2026-49144

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-03T10:54:45Z

Weaknesses