Webstudio through 0.296.0 SSRF via /cgi proxy routes
cve-program · CVE-2026-86119
PublishedWebstudio 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.
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CVE-2026-86119 · CVE overview and exploitation status
cve-program · CVE-2026-86119
- https://github.com/webstudio-is/webstudio/issues/5816
- https://github.com/webstudio-is/webstudio/blob/55920c57c4d3e128a0fa48fceabbbc3a1d73f1ef/apps/builder/app/routes/cgi.image.$.ts
- https://github.com/webstudio-is/webstudio/blob/55920c57c4d3e128a0fa48fceabbbc3a1d73f1ef/apps/builder/app/routes/cgi.video.$.ts
- https://github.com/webstudio-is/webstudio/blob/55920c57c4d3e128a0fa48fceabbbc3a1d73f1ef/apps/builder/app/routes/cgi.asset.$.ts
- https://github.com/webstudio-is/webstudio
- https://www.vulncheck.com/advisories/webstudio-through-0.296.0-ssrf-via-cgi-proxy-routes
Related changes
Linked by CVE identifierNo related changes are available here.