Improper Restriction of Excessive Authentication Attempts in Apache Ranger - CVE-2026-65948

 

Improper Restriction of Excessive Authentication Attempts in Apache Ranger - CVE-2026-65948

Published: August 24, 2026


Vulnerability identifier: #VU144915
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-65948
CWE-ID: CWE-307
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to compromise accounts via brute-force attacks.

The vulnerability exists due to improper protection against excessive authentication attempts in UnixAuth when processing authentication requests. A remote user can send repeated authentication attempts to compromise accounts via brute-force attacks.

UnixAuth is involved.


Affected software

Apache Ranger

How to mitigate CVE-2026-65948

Install security update from vendor's website.

Apache Ranger - update to 2.9.0

External References

Related Security Bulletins