CVE-2026-70636: flowise through 3.1.4 (inclusive); +1 more affected products

CVE-2026-70636. CVSS 3.1 base score 7.5 (HIGH, Vendor/CNA). EPSS 0.00663 (percentile 0.51074), scored 22-Oct-2026.

Affected technology

flowise · through 3.1.4 (inclusive)
flowiseai

Flowise · 0 through 3.1.4
FlowiseAI

Description’s affected range: through 3.1.4

Component: Not specified by the source

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

What an attacker can do

Unauthenticated attackers can access the OAuth2 credential refresh endpoint by exploiting prefix-based whitelist matching in the authentication middleware defined in packages/server/src/utils/constants.ts. Vendor/CNA’s CVSS 4.0 assessment (base score 8.7/10) rates confidentiality and availability impact as none; integrity impact as high.

Published 24-Oct-2026 01:43 UTC

CWE: CWE-862
CCR priority: 30.2 /100 (P4)
CVSS 3.1: 7.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N · Vendor/CNA
EPSS: 0.00663 · percentile 0.51074 · 2026-10-22
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-24 01:40:49.068977+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-70636.html