{"id":"CVE-2026-86119","title":"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","summary":"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 U…","severity":"high","cvss":8.6,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","cwe":["CWE-918"],"vendor":"webstudio-is","product":"webstudio","affected":["webstudio <= 0.296.0"],"published":"2026-09-05","updated":"2026-09-18","sourceUpdated":"2026-09-18T18:17:17.610","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-86119","references":[{"url":"https://github.com/webstudio-is/webstudio","label":"disclosure@vulncheck.com"},{"url":"https://github.com/webstudio-is/webstudio/blob/55920c57c4d3e128a0fa48fceabbbc3a1d73f1ef/apps/builder/app/routes/cgi.asset.$.ts","label":"disclosure@vulncheck.com"},{"url":"https://github.com/webstudio-is/webstudio/blob/55920c57c4d3e128a0fa48fceabbbc3a1d73f1ef/apps/builder/app/routes/cgi.image.$.ts","label":"disclosure@vulncheck.com"},{"url":"https://github.com/webstudio-is/webstudio/blob/55920c57c4d3e128a0fa48fceabbbc3a1d73f1ef/apps/builder/app/routes/cgi.video.$.ts","label":"disclosure@vulncheck.com"},{"url":"https://github.com/webstudio-is/webstudio/issues/5816","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/webstudio-through-0.296.0-ssrf-via-cgi-proxy-routes","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"epss":0.00349,"epssPercentile":0.28634,"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-09-18T17:06:17.796062Z"},"ingestedAt":"2026-09-06T07:51:56.104Z","slug":"CVE-2026-86119","body":"## Overview\n\nWebstudio 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":47,"depthScoreParts":{"impact":47.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}