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...

CVE-2026-49143

BrowserStack Runner through 0.9.5 contains a remote code execution vulnerability in the /log HTTP handler that allows unauthenticated network-adjacent attackers to execute arbitrary code by submitting crafted JSON request bodies to the handler, which passes user-supplied data to vm.runInNewContex...

browserstack-runner vulnerable to Remote Code Execution via vm sandbox escape in _log HTTP handler

Summary The HTTP handler /log in lib/server.js lines 491–515 of browserstack-runner passes unauthenticated user-supplied data to vm.runInNewContext combined with eval, enabling a sandbox escape and arbitrary code execution on the host system. Details When browserstack-runner starts, it creates an...

Arbitrary Code Injection

Overview browserstack-runner is an A command line interface to run browser tests over BrowserStack Affected versions of this package are vulnerable to Arbitrary Code Injection via the log HTTP handler. An attacker can execute arbitrary code on the host system by sending specially crafted POST...

GHSA-6VR3-7WCX-V5G5 browserstack-runner vulnerable to Remote Code Execution via vm sandbox escape in _log HTTP handler

Summary The HTTP handler /log in lib/server.js lines 491–515 of browserstack-runner passes unauthenticated user-supplied data to vm.runInNewContext combined with eval, enabling a sandbox escape and arbitrary code execution on the host system. Details When browserstack-runner starts, it creates an...

Arbitrary Code Injection

Overview org.webjars.npm:browserstack-runner is an A command line interface to run browser tests over BrowserStack Affected versions of this package are vulnerable to Arbitrary Code Injection via the log HTTP handler. An attacker can execute arbitrary code on the host system by sending specially...

EUVD-2026-34031

browserstack-runner has an unauthenticated arbitrary file read via path traversal in HTTP server...

Directory Traversal

Overview browserstack-runner is an A command line interface to run browser tests over BrowserStack Affected versions of this package are vulnerable to Directory Traversal via the default handler in the HTTP server. An attacker can access arbitrary files on the host filesystem by sending crafted...

GHSA-8RPW-6CQH-2V9H browserstack-runner has an unauthenticated arbitrary file read via path traversal in HTTP server

Summary The HTTP server in browserstack-runner serves files from the project directory via the default handler. This handler uses path.joinprocess.cwd, uri to resolve file paths but does not validate that the resulting path stays within the project root. Combined with the server binding on 0.0.0....

Directory Traversal

Overview org.webjars.npm:browserstack-runner is an A command line interface to run browser tests over BrowserStack Affected versions of this package are vulnerable to Directory Traversal via the default handler in the HTTP server. An attacker can access arbitrary files on the host filesystem by...

PT-2026-46088

Summary The HTTP server in browserstack-runner serves files from the project directory via the default handler. This handler uses path.joinprocess.cwd, uri to resolve file paths but does not validate that the resulting path stays within the project root. Combined with the server binding on 0.0.0....

CVE-2026-49143

BrowserStack Runner through 0.9.5 contains a remote code execution vulnerability in the /log HTTP handler that allows unauthenticated network-adjacent attackers to execute arbitrary code by submitting crafted JSON request bodies to the handler, which passes user-supplied data to vm.runInNewContex...

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...

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...

CVE-2026-49144 BrowserStack Runner 0.9.5 Path Traversal via _default HTTP Handler

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...

CVE-2026-49144 BrowserStack Runner 0.9.5 Path Traversal via _default HTTP Handler

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...

CVE-2026-49144 BrowserStack Runner 0.9.5 Path Traversal via _default HTTP Handler

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...

CVE-2026-49144

CVE-2026-49144 : BrowserStack Runner 0.9.5 contains a path traversal vulnerability in the _default HTTP handler (lib/server.js) that allows unauthenticated attackers on the network-adjacent interface to read arbitrary files outside the project root. The description notes an unauthenticated HTTP s...

CVE-2026-49143 BrowserStack Runner 0.9.5 Unauthenticated RCE via /_log HTTP Handler

BrowserStack Runner through 0.9.5 contains a remote code execution vulnerability in the /log HTTP handler that allows unauthenticated network-adjacent attackers to execute arbitrary code by submitting crafted JSON request bodies to the handler, which passes user-supplied data to vm.runInNewContex...

CVE-2026-49143

BrowserStack Runner through 0.9.5 contains a remote code execution vulnerability in the /log HTTP handler that allows unauthenticated network-adjacent attackers to execute arbitrary code by submitting crafted JSON request bodies to the handler, which passes user-supplied data to vm.runInNewContex...