Detections
Analytics

Apache Solr 8.6.0 < 9.10.1 Insufficient File-Access Checking in Core Creation

high Web App Scanning Plugin ID 115558

Synopsis

Apache Solr 8.6.0 < 9.10.1 Insufficient File-Access Checking in Core Creation

Description

Apache Solr versions 8.6.0 through 9.10.0 running in standalone mode are affected by insufficient parameter validation in the create-core API. When "allowPaths" is used to restrict file access, untrusted users able to reach the create-core API may cause Solr to probe and read disallowed paths, allowing cores to be created from unexpected configsets. On Windows systems with UNC paths enabled, this can also lead to the disclosure of NTLM hashes.

Note that the scanner has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update to Apache Solr version 9.10.1 or latest. Additionally, use the RuleBasedAuthorizationPlugin to prevent untrusted users from creating cores.

See Also

https://issues.apache.org/jira/browse/SOLR-18058

https://solr.apache.org/security-news.html#cve-2026-22444-insufficient-file-access-checking-in-standalone-core-creation-requests

Plugin Details

Severity: High

ID: 115558

Type: Version Based

Published: 10/2/2026

Updated: 10/2/2026

Scan Template: api, basic, full, pci, scan

Risk Information

VPR

Risk Factor: Low

Score: 3.5

Percentile: 52.04

CVSS v2

Risk Factor: High

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:P/A:N

CVSS Score Source: CVE-2026-22444

CVSS v3

Risk Factor: High

Base Score: 7.1

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

CVSS Score Source: CVE-2026-22444

Vulnerability Information

CPE: cpe:2.3:a:apache:solr:*:*:*:*:*:*:*:*

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 1/19/2026

Reference Information

CVE: CVE-2026-22444