browserstack-runner (npm) — known CVEs & security advisories

Known CVE vulnerabilities and GitHub Security Advisories affecting the npm package browserstack-runner, with affected version ranges, CVSS severity, EPSS exploit prediction, and CISA KEV status.

CVEs (2)

• CVE-2026-49143 — CVSS 8.8 (high): BrowserStack Runner through 0.9.5 contains a remote code execution vulnerability in the /_log HTTP handler that allows unauthenticated…
• CVE-2026-49144 — CVSS 6.5 (medium): BrowserStack Runner through 0.9.5 contains a path traversal vulnerability in the _default HTTP handler in lib/server.js that allows…