{"id":"CVE-2026-49144","sourceIdentifier":"disclosure@vulncheck.com","published":"2026-06-02T21:16:28.230","lastModified":"2026-10-08T16:17:18.863","vulnStatus":"Deferred","cveTags":[{"sourceIdentifier":"disclosure@vulncheck.com","tags":["unsupported-when-assigned"]}],"descriptions":[{"lang":"en","value":"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."},{"lang":"es","value":"BrowserStack Runner hasta la versión 0.9.5 contiene una vulnerabilidad de salto de ruta en el gestor HTTP _default en lib/server.js que permite a atacantes no autenticados y adyacentes a la red leer archivos arbitrarios. Los atacantes pueden explotar el servidor HTTP no autenticado enlazado en todas las interfaces para saltar fuera de la raíz del proyecto y acceder a archivos sensibles."}],"affected":[{"source":"disclosure@vulncheck.com","affectedData":[{"vendor":"browserstack","product":"browserstack-runner","defaultStatus":"affected","repo":"https://github.com/browserstack/browserstack-runner","packageURL":"pkg:npm/browserstack-runner","versions":[{"version":"0","lessThanOrEqual":"0.9.5","versionType":"semver","status":"affected"}]}]}],"metrics":{"cvssMetricV40":[{"source":"disclosure@vulncheck.com","type":"Secondary","cvssData":{"version":"4.0","vectorString":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"ADJACENT","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}}],"cvssMetricV31":[{"source":"disclosure@vulncheck.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":3.6}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-06-03T14:24:56.644186Z","id":"CVE-2026-49144","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"disclosure@vulncheck.com","type":"Secondary","description":[{"lang":"en","value":"CWE-22"}]}],"references":[{"url":"https://github.com/browserstack/browserstack-runner/security/advisories/GHSA-8rpw-6cqh-2v9h","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/browserstack-runner-path-traversal-via-default-http-handler","source":"disclosure@vulncheck.com"},{"url":"https://github.com/browserstack/browserstack-runner/security/advisories/GHSA-8rpw-6cqh-2v9h","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}]}