Apache Software Foundation Apache Solr

24 published vulnerabilities name this product.

As the CNAs write it in their CVE records (vendor and product); the versions are theirs.

CVEVulnerable versionsTitleSeverityPublishedEPSSExploitation
CVE-2026-448259.4.0 – 9.10.1 ; 10.0.0Apache Solr: Enabling BasicAuth using bin/solr CLI configures additional insecure usersCRITICAL 9.83.9 %
CVE-2026-220225.3 – 9.10.0Apache Solr: Unauthorized bypass of certain "predefined permission" rules in the RuleBasedAuthorizationPluginHIGH 8.20.6 %
CVE-2026-224448.6 – 9.10.0Apache Solr: Insufficient file-access checking in standalone core-creation requestsHIGH 7.10.7 %
CVE-2025-24814≤ 9.7Apache Solr: Core-creation with "trusted" configset can use arbitrary untrusted filesMEDIUM 5.51.2 %
CVE-2024-520126.6 – 9.7.0Apache Solr: Configset upload on Windows allows arbitrary path write-accessMEDIUM 5.441 %
CVE-2024-452176.6.0 – < 8.11.4 ; 9.0.0 – < 9.7.0Apache Solr: ConfigSets created during a backup restore command are trusted implicitlyHIGH 8.10.7 %
CVE-2024-452165.3.0 – < 8.11.4 ; 9.0.0 – < 9.7.0Apache Solr: Authentication bypass possible using a fake URL Path endingCRITICAL 9.893 %
CVE-2023-502916.0.0 – 8.11.2 ; 9.0.0 – < 9.3.0Apache Solr: System Property redaction logic inconsistency can lead to leaked passwordsHIGH 7.53.3 %
CVE-2023-502928.10.0 – 8.11.2 ; 9.0.0 – < 9.3.0Apache Solr: Solr Schema Designer blindly "trusts" all configsets, possibly leading to RCE by unauthenticated usersHIGH 7.53.0 %
CVE-2023-502986.0.0 – 8.11.2 ; 9.0.0 – < 9.4.1Apache Solr: Solr can expose ZooKeeper credentials via Streaming ExpressionsHIGH 7.51.6 %
CVE-2023-503866.0.0 – 8.11.2 ; 9.0.0 – < 9.4.1Apache Solr: Backup/Restore APIs allow for deployment of executables in malicious ConfigSetsHIGH 8.884 %
CVE-2023-502909.0.0 – < 9.3.0Apache Solr: Host environment variables are published via the Metrics APIMEDIUM 6.568 %
CVE-2021-44548unspecified – < 8.11.1Apache Solr information disclosure vulnerability through DataImportHandlerCRITICAL 9.85.2 %
CVE-2021-29943Apache Solr – < 8.8.2Apache Solr Unprivileged users may be able to perform unauthorized read/write to collectionsCRITICAL 9.14.7 %
CVE-2021-29262Apache Solr – < 8.8.2Misapplied Zookeeper ACLs can result in leakage of configured authentication and authorization settingsHIGH 7.56.7 %
CVE-2021-27905Apache Solr – < 8.8.2SSRF vulnerability with the Replication handlerCRITICAL 9.893 %
CVE-2017-3164Apache Solr 1.3.0 to 1.4.1, 3.1.0 to 3.6.2, 4.0.0 to 4.10.4, 5.0.0 to 5.5.5, 6.0.0 to 6.6.5, 7.0.0 to 7.6.0Server Side Request Forgery in Apache Solr, versions 1.3 until 7.6 (inclusive). Since the "shards" parameter does not have a corresponding wHIGH 7.519 %
CVE-2019-0192Apache Solr 5.0.0 to 5.5.5 and 6.0.0 to 6.6.5In Apache Solr versions 5.0.0 to 5.5.5 and 6.0.0 to 6.6.5, the Config API allows to configure the JMX server via an HTTP POST request. By poCRITICAL 9.878 %
CVE-2018-80266.0.0 to 6.6.4 ; 7.0.0 to 7.3.1This vulnerability in Apache Solr 6.0.0 to 6.6.4 and 7.0.0 to 7.3.1 relates to an XML external entity expansion (XXE) in Solr config files (MEDIUM 5.59.0 %
CVE-2018-8010Apache Solr 6.0.0 to 6.6.3, 7.0.0 to 7.3.0This vulnerability in Apache Solr 6.0.0 to 6.6.3, 7.0.0 to 7.3.0 relates to an XML external entity expansion (XXE) in Solr config files (solMEDIUM 5.53.7 %
CVE-2018-13081.2 to 6.6.2 ; 7.0.0 to 7.2.1This vulnerability in Apache Solr 1.2 to 6.6.2 and 7.0.0 to 7.2.1 relates to an XML external entity expansion (XXE) in the `&dataConfig=<inlHIGH 7.521 %
CVE-2017-98036.2.0 to 6.6.0Apache Solr's Kerberos plugin can be configured to use delegation tokens, which allows an application to reuse the authentication of an end-HIGH 7.52.2 %
CVE-2017-31631.4.0 to 5.5.3 ; 6.0.0 to 6.4.0When using the Index Replication feature, Apache Solr nodes can pull index files from a master/leader node using an HTTP API which accepts aHIGH 7.56.6 %
CVE-2017-76605.3 to 5.5.4 ; 6.0 to 6.5.1Apache Solr uses a PKI based mechanism to secure inter-node communication when security is enabled. It is possible to create a specially craHIGH 7.55.6 %