Open WebUI SSRF Vulnerability CVE-2026-70479 via Playwright

# Open WebUI SSRF Vulnerability CVE-2026-70479 via Playwright

https://gcdradar.vercel.app/incidents/open-webui-ssrf-vulnerability-cve-2026-70479-via-playwright · AIR-2026-0060 · closed 2026-08-04

- Lane: Patch now
- Severity: 2 (Disclosed vulnerability)
- Fix status: Fix status unknown
- First reported: 2026-08-04
- AI role: Attack on AI
- Products: Open WebUI
- CVE ids: CVE-2026-70479
- CVSS: 7.7

## Summary

Improper sub-resource validation in Open WebUI with the Playwright web loader allowed authenticated users to access blocked internal addresses. The retrieved data could be included in RAG output, and a patch was issued in version 0.11.0.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2026-08-04: CVE-2026-70479: Open WebUI: SSRF into internal services via unvalidated sub-resource requests in the Playwright web loader (https://github.com/advisories/GHSA-w2rx-84hp-gg95)
- 2026-08-04: CVE-2026-70479: Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. (https://nvd.nist.gov/vuln/detail/CVE-2026-70479)

## Sources

- 2026-08-04 NVD: CVE-2026-70479: Open WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. https://nvd.nist.gov/vuln/detail/CVE-2026-70479
- 2026-08-04 GitHub Advisory Database: CVE-2026-70479: Open WebUI: SSRF into internal services via unvalidated sub-resource requests in the Playwright web loader https://github.com/advisories/GHSA-w2rx-84hp-gg95

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.