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CVE-2026-92811

browserless 1.44.0 through 2.56.7 File Protocol Restriction Bypass

CVSS 4.0 7.1 HIGHCVSS 3.1 6.5 MEDIUMCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-92811

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-92811

Published

browserless

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "browserless",
                    "product": "browserless",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "version": "1.44.0",
                            "lessThanOrEqual": "2.56.7",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON