CVE-2026-41270

HIGH
MEDIUM Priority: 0.02 BB Relevance: 67/100
Published: 2026-04-23 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: Low
UI: None
S: Unchanged
C: High
I: High
A: Low

Description

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, a Server-Side Request Forgery (SSRF) protection bypass vulnerability exists in the Custom Function feature. While the application implements SSRF protection via HTTP_DENY_LIST for axios and node-fetch libraries, the built-in Node.js http, https, and net modules are allowed in the NodeVM sandbox without equivalent protection. This allows authenticated users to bypass SSRF controls and access internal network resources (e.g., cloud provider metadata services) This vulnerability is fixed in 3.1.0.

Weakness Classification (2)

Affected Software (1)

VendorProductVersion
flowiseai flowise < 3.1.0

References & Advisories (1)

Bug Bounty Relevance

67 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

8.3 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

EPSS — Exploitation Probability

0.23%
Raw Score 0.002340
Percentile 14.4%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00234
2026-10-28
0.00234

Intelligence Sources

nvd ref →