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 cypress_config_file configuration parameter. In readCypressConfigUtil.js, the loadJsFile() function constructs a shell command by interpolating the user-controlled cypress_config_filepath value into a template literal, then executes it via child_process.execSync(). Shell metacharacters in the config path (specifically " and ;) allow breaking out of the quoted argument and injecting arbitrary commands. This issue has been fixed in version 1.36.6.

• CWE-78

• https://github.com/browserstack/browserstack-cypress-cli/commit/6dbf8f9374c0e25eac818fbcb95f5705ded71710
• https://github.com/browserstack/browserstack-cypress-cli/security/advisories/GHSA-fh4c-mffm-8xhf
• https://github.com/browserstack/browserstack-cypress-cli/security/advisories/GHSA-fh4c-mffm-8xhf

Published

Jun 15, 2026

Last Modified

Jun 17, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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