CVE-2026-92811
mediumbrowserless versions 1.44.0 through 2.56.7 fail to enforce file protocol restrictions in Playwright websocket endpoints, allowing authenticated token holders t…
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/browserless/browserless disclosure@vulncheck.com
- https://github.com/browserless/browserless/blob/v2.50.1/src/browsers/browsers.cdp.ts#L105-... disclosure@vulncheck.com
- https://github.com/browserless/browserless/blob/v2.50.1/src/browsers/browsers.playwright.t... disclosure@vulncheck.com
- https://github.com/geo-chen/oss/blob/main/browserless.md disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/browserless-1.44.0-through-2.56.7-file-protocol-restr... disclosure@vulncheck.com