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org.apache.solr:solr-core

31 known vulnerabilities.

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  • High 8.1
    CVE-2026-44825 Public exploit Scanner template

    Apache Solr: Enabling BasicAuth using bin/solr CLI configures additional insecure users

    Hardcoded credentials in the Basic Authentication setup tool (bin/solr auth enable) in Apache Solr versions 9.4.0 through 9.10.1 and 10.0.0 allows a remote attacker to gain full administrative access to the cluster via publicly known default credentials insta…

  • High 8.2

    Apache Solr: Unauthorized bypass of certain "predefined permission" rules in the RuleBasedAuthorizationPlugin

    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 tha…

  • High 7.1
    CVE-2026-22444 Public exploit

    Apache Solr: Insufficient file-access checking in standalone core-creation requests

    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 read file-system paths that should be disallowed by Solr's "allowPaths" security se…

  • High 7.5

    Apache Solr: System Property redaction logic inconsistency can lead to leaked passwords

    Insufficiently Protected Credentials vulnerability in Apache Solr. This issue affects Apache Solr: from 6.0.0 through 8.11.2, from 9.0.0 before 9.3.0. One of the two endpoints that publishes the Solr process' Java system properties, /admin/info/properties, wa…

  • High 7.5

    Apache Solr: Solr Schema Designer blindly "trusts" all configsets, possibly leading to RCE by unauthenticated users

    Incorrect Permission Assignment for Critical Resource, Improper Control of Dynamically-Managed Code Resources vulnerability in Apache Solr. This issue affects Apache Solr: from 8.10.0 through 8.11.2, from 9.0.0 before 9.3.0. The Schema Designer was introduced…

  • High 8.8
    CVE-2023-50386 Public exploit EPSS 84%

    Apache Solr: Backup/Restore APIs allow for deployment of executables in malicious ConfigSets

    Improper Control of Dynamically-Managed Code Resources, Unrestricted Upload of File with Dangerous Type, Inclusion of Functionality from Untrusted Control Sphere vulnerability in Apache Solr.This issue affects Apache Solr: from 6.0.0 through 8.11.2, from 9.0.…

  • High 7.5

    Misapplied Zookeeper ACLs can result in leakage of configured authentication and authorization settings

    When starting Apache Solr versions prior to 8.8.2, configured with the SaslZkACLProvider or VMParamsAllAndReadonlyDigestZkACLProvider and no existing security.json znode, if the optional read-only user is configured then Solr would not treat that node as a se…

  • High 7.5
    CVE-2019-17558 Exploited Public exploit Scanner template EPSS 99%

    Improper Input Validation in Apache Solr

    Apache Solr 5.0.0 to Apache Solr 8.3.1 are vulnerable to a Remote Code Execution through the VelocityResponseWriter. A Velocity template can be provided through Velocity templates in a configset `velocity/` directory or as a parameter. A user defined configse…

    KEV Nov 3, 2021
  • High 7.5
    CVE-2019-12401 Public exploit

    Apache Solr vulnerable to XML Bomb

    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. Lol Bomb) via it’s update handler.?By leveraging XML DOCTYPE and ENTITY type elements, the attacker can create a pattern that will ex…

  • High 7.2
    CVE-2019-0193 Exploited Public exploit Scanner template EPSS 84%

    XML External Entity (XXE) Injection in Apache Solr

    In Apache Solr, the DataImportHandler, an optional but popular module to pull in data from databases and other sources, has a feature in which the whole DIH configuration can come from a request's "dataConfig" parameter. The debug mode of the DIH admin screen…

    KEV Dec 10, 2021
  • High 7.5
    CVE-2017-3164 Public exploit EPSS 19%

    Server-Side Request Forgery (SSRF) in org.apache.solr:solr-core

    Server Side Request Forgery in Apache Solr, versions 1.3 until 7.6 (inclusive). Since the "shards" parameter does not have a corresponding whitelist mechanism, a remote attacker with access to the server could make Solr perform an HTTP GET request to any reac…

  • High 7.5
    CVE-2018-1308 EPSS 21%

    There is a XML external entity expansion (XXE) vulnerability in Apache Solr

    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 DataImportHandler. It can be used as XXE using file/ftp/http protocols in order to read ar…

  • High 7.5

    Apache Solr Kerberos delegation token functionality flaws

    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. There are two issues with this functionality (when using SecurityAwareZkACLProvider type o…

  • High 7.5

    Improper Limitation of a Pathname ('Path Traversal') in org.apache.solr:solr-core

    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. However, Solr before 5.5.4 and 6.x before 6.4.1 did not validate the file name, hence it was possible to cr…

  • High 7.5

    Apache Solr insecure inter-node communication

    Apache Solr uses a PKI based mechanism to secure inter-node communication when security is enabled. It is possible to create a specially crafted node name that does not exist as part of the cluster and point it to a malicious node. This can trick the nodes in…

  • High —
    CVE-2012-6612 EPSS 10%

    Improper Restriction of XML External Entity Reference in Apache Solr

    The (1) UpdateRequestHandler for XSLT or (2) XPathEntityProcessor in Apache Solr before 4.1 allows remote attackers to have an unspecified impact via XML data containing an external entity declaration in conjunction with an entity reference, related to an XML…