2026-04-17 · 2026-Q2
FastGPT Authentication and Password Change NoSQL Injection
Primary layerL6 Identity / Run
Which agent, run, or tenant is this?
- Fixable
- Vendor patch
- Vendor response
- Patched
- In the wild
- No
- Actor
- Attacker
Target
FastGPT AI agent building platform (before v4.14.9.5)
Impact
Unauthenticated attacker can log in as any user including root via MongoDB operator injection on the password field; authenticated attacker can bypass old-password verification to take over any account
Root cause
TypeScript type assertion without runtime validation on password login endpoint; NoSQL operator injection in password change endpoint
CVEs
Sources
Catalog
Cite this: AgentProv incident record: FastGPT Authentication and Password Change NoSQL Injection (2026-04-17). https://agentprov.com/incidents/2026-04-17-fastgpt-authentication-and-password-change-nosql-injection
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