What is CVE-2026-46478?

CVE-2026-46478 is a high-severity vulnerability in Flowiseai Flowise, classified under Improperly Controlled Modification of Dynamically-Determined Object Attributes. CVSS score: 8.8/10. Published 2026-06-08.

How severe is CVE-2026-46478?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Flowiseai Flowise

CVE-2026-46478

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.1.2, DatasetRow create and update mass-assignment allows cross-workspace row takeover. This issue has been patched in version 3.1.2.

Vulnerability class: Mass Assignment

EPSS: 0.003 (26.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Flowiseai Flowise — versions < 3.1.2

Weakness classification (CWE)

CWE-915 — Improperly Controlled Modification of Dynamically-Determined Object Attributes

References

security-advisories@github.com (Product, x_refsource_MISC, Release Notes)
security-advisories@github.com (x_refsource_CONFIRM, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2026-46478?: CVE-2026-46478 is a high-severity vulnerability in Flowiseai Flowise, classified under Improperly Controlled Modification of Dynamically-Determined Object Attributes. CVSS score: 8.8/10. Published 2026-06-08.
How severe is CVE-2026-46478?: High severity. CVSS v3 base score is 8.8 out of 10.