by Kastro
Paper/Archive/CVE-2026-46440

CVE-2026-46440

FlowiseAI Flowise — Flowise: Basic Auth Credentials Exposed via API

EPSS 0.3%public exploitCVSS 9.1
critical.is priorityof 100
41
CVSS 9.1 (NVD)9.1 / 10 × 3027.3Not in CISA KEV+300.0EPSS percentile 16.7.167 × 203.3Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
Flowise< 3.1.2–CNA

Scores by source

NVD9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
GitHub_M (CNA)7.5CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: poc · Automatable: no · Technical impact: total

References

exploitgithub.com/FlowiseAI/Flowise/security/advisories/GHSA-php6-83fg-gw3grefgithub.com/FlowiseAI/Flowise/releases/tag/flowise%403.1.2