Flowise mass assignment password override vulnerability
Flowise
A mass assignment vulnerability in Flowise allows authenticated users to directly modify restricted fields including password hashes. The flaw bypasses password change verification and enforcement workflows.
disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why
- fix status
- Fix status unknown
- first report
- 20 May 2026
- last update
- 20 May 2026
Timeline · 1
Sources · 1
Advisories and databases
- 2026-05-20GHSA-59fh-9f3p-7m39: Flowise: Mass Assignment in PUT /api/v1/user Allows Authenticated Users to Override Password Hash and Bypass Password Change VerificationGitHub Advisory Database · github.com/advisories/GHSA-59fh-9f3p-7m39
Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.
Classification
- lane
- Patch now
- AI role
- Attack on AI
- categories
- Infrastructure vulnerability
- severity
- 2 · Disclosed vulnerability
- fix status
- Fix status unknown
- targets
- Framework / tooling
- owasp llm top 10
- LLM03:2025 Supply Chain
- mitre atlas
- no technique for these categories
- dates
- happened 20 May 2026 · first reported 20 May 2026
- origin
- GitHub Advisory DatabaseVulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
- record
- confidence 0.95 · created 2026-10-18 07:00Z · updated 2026-10-18 10:14Z
Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned
Copy a brief
This record as a short Markdown brief, for a ticket, a chat or a coding agent.
the brief as text
# Flowise mass assignment password override vulnerability https://gcdradar.vercel.app/incidents/ghsa-59fh-9f3p-7m39-flowise-mass-assignment-password-overrid · AIR-2026-0713 · closed 2026-05-20 - Lane: Patch now - Severity: 2 (Disclosed vulnerability) - Fix status: Fix status unknown - First reported: 2026-05-20 - AI role: Attack on AI - Products: Flowise ## Summary A mass assignment vulnerability in Flowise allows authenticated users to directly modify restricted fields including password hashes. The flaw bypasses password change verification and enforcement workflows. ## What to do No action recorded; read the sources below and the vendor's advisory. ## Latest updates - 2026-05-20: GHSA-59fh-9f3p-7m39: Flowise: Mass Assignment in PUT /api/v1/user Allows Authenticated Users to Override Password Hash and Bypass Password Change Verification (https://github.com/advisories/GHSA-59fh-9f3p-7m39) ## Sources - 2026-05-20 GitHub Advisory Database: GHSA-59fh-9f3p-7m39: Flowise: Mass Assignment in PUT /api/v1/user Allows Authenticated Users to Override Password Hash and Bypass Password Change Verification https://github.com/advisories/GHSA-59fh-9f3p-7m39 Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.
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