SO
Product
Solr
by Apache · last CVE Jun 1, 2026
On CISA KEVExploited in the wild
46
CVEs
2
On KEV
9.8
Max CVSS
0
New 30D
Severity mix
Critical 10High 19Medium 10Low 1
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2019-17558
In wildKEV
7.5
99%
Dec 30
Apache Solr VelocityResponseWriter Plug-In Remote Code Execution Vulnerability
Affected: 5.0.0 before 7.7.3; 8.0.0 before 8.4.0
CVE-2019-0193
In wildKEV
7.2
84%
Aug 1
Apache Solr DataImportHandler Code Injection Vulnerability
Affected: before 7.7.3; 8.1.0 before 8.1.2
CVE-2023-50386
8.8
84%
Feb 9
Improper Control of Dynamically-Managed Code Resources, Unrestricted Upload of File with Dangerous Type, Inclusion of Functionality from Untrusted Control Sphere vulnerability in…
Affected: 6.0.0 before 8.11.3; 9.0.0 before 9.4.1
CVE-2020-9492
8.8
4%
Jan 26
In Apache Hadoop 3.2.0 to 3.2.1, 3.0.0-alpha1 to 3.1.3, and 2.0.0-alpha to 2.10.0, WebHDFS client might send SPNEGO authorization header to remote URL without proper verification
Affected: 8.6.0; 8.6.2
CVE-2020-13941
8.8
5%
Aug 17
Reported in SOLR-14515 (private) and fixed in SOLR-14561 (public), released in Solr version 8.6.0
Affected: before 8.6.0
CVE-2026-22022
8.2
1%
Jan 21
Apache Solr: Unauthorized bypass of certain "predefined permission" rules in the RuleBasedAuthorizationPlugin
Affected: 5.3.0 before 9.10.1
CVE-2024-45217
8.1
1%
Oct 16
Apache Solr: ConfigSets created during a backup restore command are trusted implicitly
Affected: 6.6.0 before 8.11.4; 9.0.0 before 9.7.0
CVE-2023-50298
7.5
2%
Feb 9
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Solr.This issue affects Apache Solr: from 6.0.0 through 8.11.2, from 9.0.0 before 9.4.1
Affected: 6.0.0 before 8.11.3; 9.0.0 before 9.4.1
CVE-2023-50292
7.5
3%
Feb 9
Incorrect Permission Assignment for Critical Resource, Improper Control of Dynamically-Managed Code Resources vulnerability in Apache Solr
Affected: 6.0.0 before 8.11.3; 9.0.0 before 9.4.1
CVE-2023-50291
7.5
3%
Feb 9
Insufficiently Protected Credentials vulnerability in Apache Solr
Affected: 6.0.0 before 8.11.3; 9.0.0 before 9.3.0
CVE-2021-33813
7.5
19%
Jun 16
An XXE issue in SAXBuilder in JDOM through 2.0.6 allows attackers to cause a denial of service via a crafted HTTP request
Affected: 8.8.1; 8.9
CVE-2021-29262
7.5
7%
Apr 13
When starting Apache Solr versions prior to 8.8.2, configured with the SaslZkACLProvider or VMParamsAllAndReadonlyDigestZkACLProvider and no existing security.json znode, if the…
Affected: before 8.8.2
CVE-2019-12401
7.5
9%
Sep 10
Solr versions 1.3.0 to 1.4.1, 3.1.0 to 3.6.2 and 4.0.0 to 4.10.4 are vulnerable to an XML resource consumption attack (a.k.a
Affected: 1.3.0 through 1.4.1; 3.1 through 3.6.2; 4.0.0 through 4.10.4
CVE-2017-3164
7.5
19%
Mar 8
Server Side Request Forgery in Apache Solr, versions 1.3 until 7.6 (inclusive)
Affected: 1.3.0 through 7.6.0
CVE-2018-1308
7.5
21%
Apr 9
This 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=<inlinexml>` parameter of Solr's…
Affected: 1.2 through 6.6.2; 7.0.0 through 7.2.1
CVE-2017-9803
7.5
2%
Sep 18
Apache Solr's Kerberos plugin can be configured to use delegation tokens, which allows an application to reuse the authentication of an end-user or another application
Affected: 6.2.0; 6.2.1; 6.3.0; 6.4.0; 6.4.1; 6.4.2; +3 more
CVE-2017-3163
7.5
7%
Aug 30
When using the Index Replication feature, Apache Solr nodes can pull index files from a master/leader node using an HTTP API which accepts a file name
Affected: through 5.5.3; 6.0.0; 6.0.1; 6.1.0; 6.2.0; 6.2.1; +2 more
CVE-2017-7660
7.5
6%
Jul 7
Apache Solr uses a PKI based mechanism to secure inter-node communication when security is enabled
Affected: 5.3.0; 5.3.1; 5.3.2; 5.4.0; 5.4.1; 5.5.0; +15 more
CVE-2026-22444
7.1
1%
Jan 21
Apache Solr: Insufficient file-access checking in standalone core-creation requests
Affected: 8.6.0 before 9.10.1
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