HighVulnerabilityLLM-specific

CVE-2026-46440: Flowise checkBasicAuth validates plaintext creds without rate limiting

Source: NVD(opens in a new tab)
Identifier: CVE-2026-46440
Published: June 8, 2026
Record updated: October 9, 2026

Affected: flowise <= 3.1.1
Fixed in: 3.1.2
Known exploitation: Not listed in the CISA Known Exploited Vulnerabilities catalog at the last check.
EPSS: 0.3%

Summary

CVE-2026-46440 affects Flowise, a drag and drop interface for building customized large language model flows, prior to version 3.1.2. The checkBasicAuth endpoint validates credentials in plaintext, without rate limiting, using direct comparison, and is classified as CWE-522 (Insufficiently Protected Credentials). NVD had not yet provided an assessment at the time of publication.

Mitigation

This issue has been patched in version 3.1.2.

Details

Scores and exploitation

Patch available: Yes
EPSS: 0.3%Estimated probability that this CVE is exploited in the next 30 days, from the FIRST Exploit Prediction Scoring System. Read on October 27, 2026.
Disclosure date: June 8, 2026

Weaknesses and techniques

Weakness (CWE): CWE-522

Affected

Packages: flowise@<= 3.1.1 (fixed: 3.1.2)

Classification

Attack type: Other
Attack sophistication: Trivial
AI component targeted: API
Impact: Confidentiality
Labels: security

How this record was produced

Summaries, mitigations and labels on this page are generated automatically from the source. The linked source is authoritative. The source gives this advisory a description and no title, so the title above is a headline generated from the source text.

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-46440

First tracked: June 9, 2026 at 08:09 AM ET, from NVD/CVE Database

Classifier: claude-haiku-5-5, prompt v4

Classifier confidence: 90% (self-assessed)

Affected packages in the Exposure Registry

Matched by package name and ecosystem. Each entry shows whether the package delegates to a language model and how many tracked packages depend on it.

flowisenpmLLM dependency since 2024-03-12

Summary

Mitigation

Affected packages in the Exposure Registry

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