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CVE-2026-49144— BrowserStack Runner 0.9.5 Path Traversal via _default HTTP Handler

CVSS 6.5 · Medium

Possible ATT&CK Techniques 1AI

T1135 · Network Share Discovery
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I. Basic Information for CVE-2026-49144

Vulnerability Information
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Vulnerability Title
BrowserStack Runner 0.9.5 Path Traversal via _default HTTP Handler
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: NVD (National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
browserstackbrowserstack-runner 0 ~ 0.9.5 -

II. Public POCs for CVE-2026-49144

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III. Intelligence Information for CVE-2026-49144

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Vendor Advisories for CVE-2026-49144 (2)

IV. Related Vulnerabilities

Same product: browserstack-runner
Same vendor: browserstack
Same weakness: CWE-22

V. Comments for CVE-2026-49144

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