PT-2026-34738 · Flowise · Flowise

Published 2026-04-16 · Updated 2026-04-23 · CVE-2026-41273

Positive Technologies (AI Summary)

CVSS v3.1

8.2

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Name of the Vulnerable Software and Affected Versions Flowise versions prior to 3.1.0

Description An authentication bypass allows an unauthenticated attacker to obtain OAuth 2.0 access tokens associated with a public chatflow. By accessing a public chatflow configuration endpoint, an attacker can retrieve internal workflow data, including OAuth credential identifiers, which can then be used to refresh and obtain valid OAuth 2.0 access tokens without authentication.

Recommendations Update to version 3.1.0.

Exploit

Fix

Missing Authentication

Weakness Enumeration

CWE-306

Related Identifiers

CVE-2026-41273

GHSA-6F7G-V4PP-R667

Affected Products

Flowise

References · 5

• 🔥 https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-6f7g-v4pp-r667 · Exploit
• https://osv.dev/vulnerability/GHSA-6f7g-v4pp-r667 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-41273 · Security Note
• https://github.com/FlowiseAI/Flowise · Note
• https://twitter.com/CVEnew/status/2047428073558356388 · Twitter Post