CVE-2026-46440 — CRITICAL (9.1)

Q: How severe is CVE-2026-46440?

CVE-2026-46440 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2026-46440?

Check the references section above for vendor advisories and patch information. Affected products include: Flowiseai Flowise.

Vulnerability Description

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.

CVSS Score

9.1

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Flowiseai	Flowise	< 3.1.2

Related Weaknesses (CWE)

CWE-522

References

https://github.com/FlowiseAI/Flowise/releases/tag/flowise%403.1.2ProductRelease Notes
https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-php6-83fg-gw3gMitigationVendor Advisory
https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-php6-83fg-gw3gMitigationVendor Advisory

FAQ

What is CVE-2026-46440?

CVE-2026-46440 is a vulnerability with a CVSS score of 9.1 (CRITICAL). 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 an...

How severe is CVE-2026-46440?

CVE-2026-46440 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-46440?

Check the references section above for vendor advisories and patch information. Affected products include: Flowiseai Flowise.