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CVE-2026-86119

Webstudio through 0.296.0 SSRF via /cgi proxy routes

CVSS 4.0 9.2 CRITICALCVSS 3.1 8.6 HIGHCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-86119

Published

Webstudio through 0.296.0 contains an unauthenticated server-side request forgery vulnerability in the /cgi/image, /cgi/video, and /cgi/asset proxy routes when RESIZE_ORIGIN environment variable is unset. Attackers can supply arbitrary URLs to these endpoints to read cloud instance metadata, access internal services, and perform network reconnaissance on the instance infrastructure.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-86119

Published

webstudio

Vendor product

Publisher's version information

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

{
                    "vendor": "webstudio-is",
                    "product": "webstudio",
                    "repo": "https://github.com/webstudio-is/webstudio",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:github/webstudio-is/webstudio",
                    "versions": [
                        {
                            "version": "0",
                            "lessThanOrEqual": "0.296.0",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                }

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