BrowserStack Runner 0.9.5 Unauthenticated RCE via /_log HTTP Handler

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-49143 · Microsoft / collected KEV context

EUVD-2026-34029

GHSA-6vr3-7wcx-v5g5

cve-program · CVE-2026-49143

• https://github.com/browserstack/browserstack-runner/security/advisories/GHSA-6vr3-7wcx-v5g5
• https://www.vulncheck.com/advisories/browserstack-runner-unauthenticated-rce-via-log-http-handler

euvd · EUVD-2026-34029

• https://github.com/browserstack/browserstack-runner/security/advisories/GHSA-6vr3-7wcx-v5g5
• https://www.vulncheck.com/advisories/browserstack-runner-unauthenticated-rce-via-log-http-handler

nvd · CVE-2026-49143

• https://github.com/browserstack/browserstack-runner/security/advisories/GHSA-6vr3-7wcx-v5g5
• https://www.vulncheck.com/advisories/browserstack-runner-unauthenticated-rce-via-log-http-handler

osv · GHSA-6vr3-7wcx-v5g5

• https://github.com/browserstack/browserstack-runner/security/advisories/GHSA-6vr3-7wcx-v5g5
• https://nvd.nist.gov/vuln/detail/CVE-2026-49143
• https://github.com/browserstack/browserstack-runner
• https://www.vulncheck.com/advisories/browserstack-runner-unauthenticated-rce-via-log-http-handler

No related operational record is retained in the current change model.