What is CVE-2025-58434?

CVE-2025-58434 is a critical-severity vulnerability in Flowiseai Flowise, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2025-09-12.

How severe is CVE-2025-58434?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2025-58434 known to be exploited?

24 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Flowiseai Flowise

CVE-2025-58434

Flowise is a drag & drop user interface to build a customized large language model flow. In version 3.0.5 and earlier, the `forgot-password` endpoint in Flowise returns sensitive information including a valid password reset `tempToken` wit…

Vulnerability class: Broken Authentication

EPSS: 0.324 (96.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Flowiseai Flowise — versions <= 3.0.5

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

Public proof-of-concept exploits

References

https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-wgpv-6j63-x5ph (x_refsource_CONFIRM)
https://github.com/FlowiseAI/Flowise/commit/9e178d68873eb876073846433a596590d3d9c863 (x_refsource_MISC)

Frequently asked questions

What is CVE-2025-58434?: CVE-2025-58434 is a critical-severity vulnerability in Flowiseai Flowise, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2025-09-12.
How severe is CVE-2025-58434?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2025-58434 known to be exploited?: 24 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.