CVE-2026-48723

The browserstack-cypress-cli is BrowserStack's CLI which allows users to run Cypress tests on BrowserStack. Versions prior to 1.36.4 are vulnerable to OS command injection via the cypressconfigfile configuration parameter. In readCypressConfigUtil.js, the loadJsFile function constructs a shell...

EUVD-2026-37017

The browserstack-cypress-cli is BrowserStack's CLI which allows users to run Cypress tests on BrowserStack. Versions prior to 1.36.4 are vulnerable to OS command injection via the cypressconfigfile configuration parameter. In readCypressConfigUtil.js, the loadJsFile function constructs a shell...

CVE-2026-48723 BrowserStack Cypress CL: Command Injection via cypress_config_file leads to arbitrary code execution through malicious browserstack.json

The browserstack-cypress-cli is BrowserStack's CLI which allows users to run Cypress tests on BrowserStack. Versions prior to 1.36.4 are vulnerable to OS command injection via the cypressconfigfile configuration parameter. In readCypressConfigUtil.js, the loadJsFile function constructs a shell...

CVE-2026-48723

BrowserStack Cypress CLI prior to 1.36.4 is vulnerable to OS command injection via the cypress_config_file parameter in readCypressConfigUtil.js (loadJsFile()), which builds a shell command by interpolating cypress_config_filepath into a template literal and runs it with child_process.execSync()....

PT-2026-49536

Name of the Vulnerable Software and Affected Versions browserstack-cypress-cli versions prior to 1.36.4 Description The browserstack-cypress-cli allows users to run Cypress tests on BrowserStack. An OS command injection is possible through the cypress config file configuration parameter. In the...

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...

EUVD-2026-34029

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

browserstack-tape-runner (>=1.0.0 <=3.0.0), duplo (>=1.6.11 <=1.9.1) +4 more potentially affected by CVE-2026-49143 via browserstack-runner (>=0.2.1 <=0.9.4)

browserstack-runner NPM version =0.2.1, =1.0.0, =1.6.11, =0.1.4, =0.1.1, =2.0.2 - run-browserstack-tests =1.0.2 - yasmf-localization =0.0.2 Source cves: CVE-2026-49143 Source advisory: OSV:GHSA-6VR3-7WCX-V5G5...

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...

EUVD-2026-34031

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

browserstack-tape-runner (>=1.0.0 <=3.0.0), duplo (>=1.6.11 <=1.9.1) +4 more potentially affected by CVE-2026-49144 via browserstack-runner (>=0.2.1 <=0.9.4)

browserstack-runner NPM version =0.2.1, =1.0.0, =1.6.11, =0.1.4, =0.1.1, =2.0.2 - run-browserstack-tests =1.0.2 - yasmf-localization =0.0.2 Source cves: CVE-2026-49144 Source advisory: OSV:GHSA-8RPW-6CQH-2V9H...

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....

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-2026-49144

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...

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 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...