CVE-2026-58057: flowise before 3.1.3 (exclusive); +1 more affected products

CVE-2026-58057. CVSS 3.1 base score 5.0 (MEDIUM, Vendor/CNA). EPSS 0.01556 (percentile 0.75028), scored 24-Oct-2026.

Affected technology

flowise · before 3.1.3 (exclusive)
flowiseai

Flowise · 0 to before 3.1.3
Flowise

Description’s affected range: before 3.1.3 validates Custom MCP stdio environment variables against a denylist using a case-sensitive comparison

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

The source reports that an attacker could run attacker-chosen code under the conditions described by the source. Vendor/CNA’s CVSS 4.0 assessment (base score 2.3/10) rates confidentiality, integrity and availability impact as low.

Published 25-Oct-2026 19:52 UTC

CWE: CWE-178
CCR priority: 20.4 /100 (P4)
CVSS 3.1: 5.0 /10 · CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L · Vendor/CNA
EPSS: 0.01556 · percentile 0.75003 · 2026-10-25
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-25 19:52:47.952465+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-25 19:51:06.643138+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-58057.html