What is CVE-2026-41264?

CVE-2026-41264 is a critical-severity vulnerability in Flowiseai Flowise, classified under Incomplete List of Disallowed Inputs. CVSS score: 9.8/10. Published 2026-04-23.

How severe is CVE-2026-41264?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2026-41264 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Flowiseai Flowise

CVE-2026-41264

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, the specific flaw exists within the run method of the CSV_Agents class. The issue results from the lack of proper sandboxing when eval…

EPSS: 0.010 (59.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Flowiseai Flowise — versions < 3.1.0

Weakness classification (CWE)

CWE-184 — Incomplete List of Disallowed Inputs

Public proof-of-concept exploits

rapid7/metasploit-framework

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2026-41264?: CVE-2026-41264 is a critical-severity vulnerability in Flowiseai Flowise, classified under Incomplete List of Disallowed Inputs. CVSS score: 9.8/10. Published 2026-04-23.
How severe is CVE-2026-41264?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2026-41264 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.