Improper authorization in Apache Solr - CVE-2026-22022
Published: January 22, 2026
Vulnerability identifier: #VU121931
CSH Severity: Low
CVSS v4.0: 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
Vendor: Apache Foundation
Affected software:
Apache Solr
Apache Solr
Detailed vulnerability 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.
How to mitigate CVE-2026-22022
Install updates from vendor's website.