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.
Published:Jun 2, 2026
Last Modified:Aug 14, 2026
EPS:Jun 2, 2026
EPSS Score:0.00208
CVSS Score:6.5
Affected Products
Vendor
Product
Action
Vendor
Browserstack
Product
Browserstack-local
Browserstack
Browserstack-local
Vendor
Browserstack
Product
Browserstack-runner
Browserstack
Browserstack-runner
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Related CVEs
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
