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CVE-2026-46440

Flowiseai Flowise vulnerability

9.1 CRITICALEPSS 0.42%
  1. Published8 Jun 2026

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 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

Flowiseai Flowise< 3.1.2

Remediation

Fixed in
Flowiseai Flowise≥ 3.1.2

References

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Frequently asked

Is CVE-2026-46440 being actively exploited?

CVE-2026-46440 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.42%.

How severe is CVE-2026-46440?

CVE-2026-46440 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 0.42% probability of exploitation.

Which products are affected by CVE-2026-46440?

Affected products include Flowiseai Flowise.

How do I fix CVE-2026-46440?

Upgrade affected software to a fixed version, for example Flowiseai Flowise 3.1.2 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-46440 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.