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
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…
Affected: 5.3.0 before 9.10.1
CVE-2024-45217
8.1
1%
Oct 16
Insecure Default Initialization of Resource vulnerability in Apache Solr
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
The "create core" API of Apache Solr 8.6 through 9.10.0 lacks sufficient input validation on some API parameters, which can cause Solr to check the existence of and attempt to…
Affected: 8.6.0 before 9.10.1
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