CVE-2026-90580 FlowiseAI Flowise Evaluations Endpoint index.ts axios.post server-side request forgery

Medium 5.3 Published 13 Sep 2026 Updated 16 Sep 2026

Attackers can exploit a server-side request forgery vulnerability in the Flowise Evaluations Endpoint to access internal resources or bypass security controls.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-90580?

CVE-2026-90580 is a medium-severity server-side request forgery vulnerability in Flowiseai Flowise, published on 13 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was found in FlowiseAI Flowise up to 3.0.2. This vulnerability affects the function axios.post of the file packages/server/src/controllers/evaluations/index.ts of the component Evaluations Endpoint. The manipulation of the argument Host/X-Forwarded-Proto results in server-side request forgery. The attack may be launched remotely. The exploit has been made public and could be used. Upgrading to version 3.1.3 is able to resolve this issue. The patch is identified as 700137738bcaebefd4709021f6d6b0abcd7df0ac. It is recommended to upgrade the affected component. This vulnerability only affects products that are no longer supported by the maintainer.

Weakness: CWE-918

Which versions are affected by CVE-2026-90580?

It affects 1 product.

Products include Flowiseai Flowise.

How do I fix CVE-2026-90580?

No fix has been published for CVE-2026-90580 yet. Limit exposure of the affected software until one is available.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2026-90580 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-90580 exists.

All Flowiseai Flowise vulnerabilities

Sources

Also known as GHSA-34pj-pvgp-fjwr.