{"cve":"CVE-2026-49144","nvd":{"published":"2026-06-02T21:16:28.230","modified":"2026-10-08T16:17:18.863","status":"Deferred","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.","cvss_v4":{"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","score":7.1},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":6.5},"cwes":["CWE-22"],"references":["https://github.com/browserstack/browserstack-runner/security/advisories/GHSA-8rpw-6cqh-2v9h","https://www.vulncheck.com/advisories/browserstack-runner-path-traversal-via-default-http-handler","https://github.com/browserstack/browserstack-runner/security/advisories/GHSA-8rpw-6cqh-2v9h"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:37:48.043517290+00:00"},"epss":{"cve":"CVE-2026-49144","score":0.00418,"percentile":0.35869,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-8rpw-6cqh-2v9h","url":"https://osv.dev/vulnerability/GHSA-8rpw-6cqh-2v9h","summary":"browserstack-runner has an unauthenticated arbitrary file read via path traversal in HTTP server","modified":"2026-06-03T21:56:25.460243Z","packages":[{"ecosystem":"npm","name":"browserstack-runner","purl":"pkg:npm/browserstack-runner","ranges":["<=0.9.5"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}