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CriticalFix available

Several critical vulnerabilities discovered in Apache Solr (XXE & RCE)

Type: patchSources: Apache Solr security

Apache Solr releases 6.6.2 and 7.1.0 address two vulnerabilities: XML external entity expansion in the XML Query Parser and remote code execution via RunExecutableListener. Users unable to upgrade are advised to disable configuration edits and remap the XML Query Parser.

Products
Solr
Affected versions
Solr 5.5.0 to 5.5.4, Solr 6.0.0 to 6.6.1, Solr 7.0.0 to 7.0.1
Fixed versions
Solr 6.6.2, Solr 7.1.0
CVEs
Not specified
Confirmed fixed CVEs
Not specified
Updated in this feed
30 Oct 2026, 22:27 UTC · Revision 1

Source evidence

Several critical vulnerabilities discovered in Apache Solr (XXE & RCE)

official-apache-solr-security · Original source

Published 18 Oct 2017, 00:00 UTC

Apache Solr releases 6.6.2 and 7.1.0 address two vulnerabilities: XML external entity expansion in the XML Query Parser and remote code execution via RunExecutableListener. Users unable to upgrade are advised to disable configuration edits and remap the XML Query Parser.

Users are advised to upgrade to either Solr 6.6.2 or Solr 7.1.0 releases both of which address the two vulnerabilities.

Solr

Fixed versions: Solr 6.6.2, Solr 7.1.0

Complete source record
{
  "id": "b3e7f5204526554ee5d1d954b3f106721f9c0b0ba3f37607188958d03ddf41ba",
  "url": "https://solr.apache.org/several-critical-vulnerabilities-discovered-in-apache-solr-xxe-rce.html",
  "method": "llm",
  "payload": {
    "kind": "patch",
    "title": "Several critical vulnerabilities discovered in Apache Solr (XXE & RCE)",
    "summary": "Apache Solr releases 6.6.2 and 7.1.0 address two vulnerabilities: XML external entity expansion in the XML Query Parser and remote code execution via RunExecutableListener. Users unable to upgrade are advised to disable configuration edits and remap the XML Query Parser.",
    "evidence": "Users are advised to upgrade to either Solr 6.6.2 or Solr 7.1.0 releases both of which address the two vulnerabilities.",
    "products": [
      {
        "name": {
          "value": "Solr",
          "evidence": "Versions Affected: Solr 5.5.0 to 5.5.4"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "Solr 6.6.2",
            "evidence": "Users are advised to upgrade to either Solr 6.6.2 or Solr 7.1.0 releases both of which address the two vulnerabilities."
          },
          {
            "value": "Solr 7.1.0",
            "evidence": "Users are advised to upgrade to either Solr 6.6.2 or Solr 7.1.0 releases both of which address the two vulnerabilities."
          }
        ],
        "affected_versions": [
          {
            "value": "Solr 5.5.0 to 5.5.4",
            "evidence": "Versions Affected: Solr 5.5.0 to 5.5.4"
          },
          {
            "value": "Solr 6.0.0 to 6.6.1",
            "evidence": "Solr 6.0.0 to 6.6.1"
          },
          {
            "value": "Solr 7.0.0 to 7.0.1",
            "evidence": "Solr 7.0.0 to 7.0.1"
          }
        ]
      }
    ],
    "severity": "critical",
    "fixed_cves": [],
    "related_cves": [],
    "security_relevant": true,
    "severity_evidence": "Severity: Critical"
  },
  "source_id": "official-apache-solr-security",
  "document_id": 23002,
  "published_at": "2017-10-18T00:00:00+00:00"
}