CVE-2026-86119: Server-Side Request Forgery (SSRF) in webstudio-is webstudio
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.
CVE-2026-86119: Server-Side Request Forgery (SSRF) in webstudio-is webstudio
Description
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.
CVSS v4.0
Score 9.2critical
Affected software
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Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-09-05T01:59:22.058Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a9bed73acd9273b49b1c672
Added to database: 09/05/2026, 10:22:43 UTC
Last updated: 09/05/2026, 11:22:40 UTC
Views: 4
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