Improper access control in Flowise - CVE-2025-58434
Published: April 9, 2026 / Updated: April 23, 2026
Vulnerability identifier: #VU125538
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-58434
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote attacker to take over arbitrary accounts.
The vulnerability exists due to improper access control in the /api/v1/account/forgot-password endpoint when handling password reset requests. A remote attacker can obtain a valid password reset token for an arbitrary user and use it to take over arbitrary accounts.
The issue affects both Flowise Cloud and self-hosted deployments that expose the same API, and exploitation requires only knowledge of the victim's email address.
Affected software
Flowise
How to mitigate CVE-2025-58434
Install security update from vendor's website.
Flowise - update to 3.0.6
Links to Public Exploits and PoC-codes
- Exploit #12622 - CVE-2025-58434-59528 (April 23, 2026)
- Exploit #12606 - Flowise-CVE-2025-58434-PasswordReset (Unauthenticated password reset exploit for Flowise AI ≤ 3.0.5. Abuses the /api/v1/account/forgot-password endpoint to change any user's password without prior authentication. Includes a proof-of-concept script and mit (April 17, 2026)