What is CVE-2026-44911?

CVE-2026-44911 is a medium-severity vulnerability in Apache Nifi, classified under Incorrect Authorization. CVSS score: 6.3/10. Published 2026-06-22.

How severe is CVE-2026-44911?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Auth bypass in Apache Nifi

CVE-2026-44911

Authorization handling for component configuration verification requests in Apache NiFi 1.15.0 through 2.9.0 allows clients with read access to submit proposed configuration properties. The proposed properties override current configuratio…

Vulnerability class: Broken Access Control

EPSS: 0.003 (25.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

Apache Nifi
Apache Software Foundation Nifi — versions 1.15.0

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

security@apache.org (vendor-advisory, Mailing List, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2026-44911?: CVE-2026-44911 is a medium-severity vulnerability in Apache Nifi, classified under Incorrect Authorization. CVSS score: 6.3/10. Published 2026-06-22.
How severe is CVE-2026-44911?: Medium severity. CVSS v3 base score is 6.3 out of 10.