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CVE-2026-22022— Apache Solr: Unauthorized bypass of certain "predefined permission" rules in the RuleBasedAuthorizationPlugin

Quick assessment

Affected
Apache Software Foundation Apache Solr
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache Solr是美国阿帕奇（Apache）基金会的一款基于Lucene（一款全文搜索引擎）的搜索服务器。该产品支持层面搜索、垂直搜索、高亮显示搜索结果等。 Apache Solr 5.3.0版本至9.10.0版本存在安全漏洞，该漏洞源于基于规则的授权插件输入验证不足，可能导致对某些Solr API的未授权访问。

AI Predicted 8.1 Difficulty: Easy EPSS 0.57% · P45
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I. Basic Information for CVE-2026-22022

Vulnerability Information
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Vulnerability Title
Apache Solr: Unauthorized bypass of certain "predefined permission" rules in the RuleBasedAuthorizationPlugin
Source: CVE Program / CVE List V5
Vulnerability Description
Deployments of Apache Solr 5.3.0 through 9.10.0 that rely on Solr's "Rule Based Authorization Plugin" are vulnerable to allowing unauthorized access to certain Solr APIs, due to insufficiently strict input validation in those components.  Only deployments that meet all of the following criteria are impacted by this vulnerability: * Use of Solr's "RuleBasedAuthorizationPlugin" * A RuleBasedAuthorizationPlugin config (see security.json) that specifies multiple "roles" * A RuleBasedAuthorizationPlugin permission list (see security.json) that uses one or more of the following pre-defined permission rules: "config-read", "config-edit", "schema-read", "metrics-read", or "security-read". * A RuleBasedAuthorizationPlugin permission list that doesn't define the "all" pre-defined permission * A networking setup that allows clients to make unfiltered network requests to Solr. (i.e. user-submitted HTTP/HTTPS requests reach Solr as-is, unmodified or restricted by any intervening proxy or gateway) Users can mitigate this vulnerability by ensuring that their RuleBasedAuthorizationPlugin configuration specifies the "all" pre-defined permission and associates the permission with an "admin" or other privileged role.  Users can also upgrade to a Solr version outside of the impacted range, such as the recently released Solr 9.10.1.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Apache Solr 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Solr是美国阿帕奇（Apache）基金会的一款基于Lucene（一款全文搜索引擎）的搜索服务器。该产品支持层面搜索、垂直搜索、高亮显示搜索结果等。 Apache Solr 5.3.0版本至9.10.0版本存在安全漏洞，该漏洞源于基于规则的授权插件输入验证不足，可能导致对某些Solr API的未授权访问。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache Solr 5.3 ~ 9.10.0 -

II. Public POCs for CVE-2026-22022

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III. Intelligence Information for CVE-2026-22022

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IV. Related Vulnerabilities

Same product: Apache Solr
Same vendor: Apache Software Foundation
Same weakness: CWE-285

V. Comments for CVE-2026-22022

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