#VU121931 Improper authorization in Apache Solr - CVE-2026-22022

 

#VU121931 Improper authorization in Apache Solr - CVE-2026-22022

Published: January 22, 2026


Vulnerability identifier: #VU121931
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-22022
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Apache Solr
Software vendor:
Apache Foundation

Description

The vulnerability allows a remote user to bypass implemented security restrictions.

The vulnerability exists due to improper input validation in the Rule Based Authorization Plugin. A remote authenticated user can bypass certain "predefined permission" rules in the RuleBasedAuthorizationPlugin under specific configurations and gain unauthorized access to the application. 


Remediation

Install updates from vendor's website.

External links