Missing Authorization in Apache Nifi - CVE-2026-44914

 

Missing Authorization in Apache Nifi - CVE-2026-44914

Published: August 25, 2026


Vulnerability identifier: #VU145262
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-44914
CWE-ID: CWE-862
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to bypass restricted component authorization.

The vulnerability exists due to improper access control in process group replacement handling in nifi-web-api when replacing process groups that include extension components with restricted status. A remote user can replace a process group containing restricted components to bypass restricted component authorization.

Only installations that implement specific authorization for restricted components are vulnerable.


Affected software

Apache Nifi

How to mitigate CVE-2026-44914

Install security update from vendor's website.

Apache Nifi - update to 2.10.0

External References

Related Security Bulletins