Vulnerability DatabaseCVE-2026-86119
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CVE-2026-86119
Published:September 05, 2026
Updated:September 22, 2026
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.
Related Resources (8)
https://github.com/webstudio-is/webstudio/blob/55920c57c4d3e128a0fa48fceabbbc3a1d73f1ef/apps/builder/app/routes/cgi.image.$.ts
https://github.com/webstudio-is/webstudio/blob/55920c57c4d3e128a0fa48fceabbbc3a1d73f1ef/apps/builder/app/routes/cgi.asset.$.ts
https://www.vulncheck.com/advisories/webstudio-through-0.296.0-ssrf-via-cgi-proxy-routes
https://github.com/webstudio-is/webstudio/issues/5816
https://github.com/webstudio-is/webstudio/blob/55920c57c4d3e128a0fa48fceabbbc3a1d73f1ef/apps/builder/app/routes/cgi.video.$.ts
https://nvd.nist.gov/vuln/detail/CVE-2026-86119
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/86xxx/CVE-2026-86119.json
https://github.com/webstudio-is/webstudio
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CVSS v4
Base Score:
9.2
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.6
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Server-Side Request Forgery (SSRF)
CWE-918
EPSS
Base Score:
0.35