Critical severity9.1NVD Advisory· Published Jun 8, 2026· Updated Jun 11, 2026

CVE-2026-46440

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
flowisenpm	< 3.1.2	3.1.2

Affected products

ghsa-coords
pkg:npm/flowise
Range: < 3.1.2

Patches

Vulnerability mechanics

References

github.com/FlowiseAI/Flowise/security/advisories/GHSA-php6-83fg-gw3gnvdMitigationVendor AdvisoryWEB
github.com/advisories/GHSA-php6-83fg-gw3gghsaADVISORY
nvd.nist.gov/vuln/detail/CVE-2026-46440ghsaADVISORY
github.com/FlowiseAI/Flowise/releases/tag/flowise%403.1.2nvdProductRelease NotesWEB

News mentions

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cvss	0.591
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000