Vulnerability Report

CVE-2026-46440

Title: Flowise Basic Authentication Brute-Force

Other

Proof Of Concept

No public PoC currently indexed for CVE-2026-46440.

CWE Category CWE-522

Published Date Jun 08, 2026

Modified Date Jul 23, 2026

Exploit Status Not Found

Score 9.1 CVSS v3.0

Exploit Probability (EPSS)

0.25%

Vulnerability Summary

CVE-2026-46440: Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.1.2, the checkBasicAuth endpoint validates credentials in plaintext without rate limiting and with direct comparison. This issue has been patched in version 3.1.2.

Impacted Vendors

flowiseai 1

Reference Links

https://github.com/FlowiseAI/Flowise/releases/tag/flowise%403.1.2 https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-php6-83fg-gw3g

CVSS v3.1

Source Entity [email protected]

Severity CRITICAL

9.1

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CVSS v3.0

Source Entity [email protected]

Severity HIGH

7.5

Attack Vector

NETWORK

Complexity

HIGH

Privileges

N/A

Interaction

REQUIRED

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns