CVE-2026-92811 | BDVDB-2026-375520 Detail
browserlessbrowserless
Description#
browserless versions 1.44.0 through 2.56.7 fail to enforce file protocol restrictions in Playwright websocket endpoints, allowing authenticated token holders to read arbitrary files. Attackers can navigate Playwright-driven browsers to file scheme URLs and access files accessible to the container process despite the ALLOW_FILE_PROTOCOL setting defaulting to false.
Impact#
Per CVSS v3.1: confidentiality impact high, integrity impact none, availability impact none. Attack vector: network.
Weaknesses#
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
References#
- https://github.com/geo-chen/oss/blob/main/browserless.md
- https://github.com/browserless/browserless/blob/v2.50.1/src/browsers/browsers.cdp.ts#L105-L135
- https://github.com/browserless/browserless/blob/v2.50.1/src/browsers/browsers.playwright.ts
- https://github.com/browserless/browserless
- https://www.vulncheck.com/advisories/browserless-1.44.0-through-2.56.7-file-protocol-restriction-bypass
Exploit#
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.