CVE-2026-69250: Flowise Unauthenticated OAuth2 Refresh Enables SSRF and Secret Exfiltration

# CVE-2026-69250: Flowise Unauthenticated OAuth2 Refresh Enables SSRF and Secret Exfiltration

https://gcdradar.vercel.app/incidents/cve-2026-69250-flowise-unauthenticated-oauth2-refresh-enable · AIR-2026-0892 · 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: Flowise
- CVE ids: CVE-2026-69250
- CVSS: 8.5

## Summary

An unauthenticated OAuth2 token refresh endpoint in Flowise enables non-blind server-side request forgery and credential secret exfiltration. A patch is available to fix the flaw.

## What to do

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

## Latest updates

- 2026-08-04: CVE-2026-69250: Flowise is a drag & drop user interface to build a customized large language model flow. (https://nvd.nist.gov/vuln/detail/CVE-2026-69250)
- 2026-08-04: CVE-2026-69250: Flowise: Unauthenticated OAuth2 Refresh Enables Non-Blind SSRF and Secret Exfiltration (https://github.com/advisories/GHSA-r745-8hwv-h473)

## Sources

- 2026-08-04 GitHub Advisory Database: CVE-2026-69250: Flowise: Unauthenticated OAuth2 Refresh Enables Non-Blind SSRF and Secret Exfiltration https://github.com/advisories/GHSA-r745-8hwv-h473
- 2026-08-04 NVD: CVE-2026-69250: Flowise is a drag & drop user interface to build a customized large language model flow. https://nvd.nist.gov/vuln/detail/CVE-2026-69250

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