CVE-2026-86119Webstudio through 0.296.0 SSRF via /cgi proxy routes
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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
- 8.6 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
- Weakness (CWE)
- CWE-918
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Sep 24, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
webstudio-is webstudio webstudio_is:webstudio (from the name) | through 0.296.0 | CNA record |
References
- https://github.com/webstudio-is/webstudio/issues/5816issue-tracking
- https://github.com/webstudio-is/webstudio/blob/55920c57c4d3e128a0fa48fceabbbc3a1d73f1ef/apps/builder/app/routes/cgi.image.$.tstechnical-description
- https://github.com/webstudio-is/webstudio/blob/55920c57c4d3e128a0fa48fceabbbc3a1d73f1ef/apps/builder/app/routes/cgi.video.$.tstechnical-description
- https://github.com/webstudio-is/webstudio/blob/55920c57c4d3e128a0fa48fceabbbc3a1d73f1ef/apps/builder/app/routes/cgi.asset.$.tstechnical-description
- https://github.com/webstudio-is/webstudioproduct
- https://www.vulncheck.com/advisories/webstudio-through-0.296.0-ssrf-via-cgi-proxy-routesthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.