CVE-2026-92001: CWE-776 Improper restriction of recursive entity references in DTDs ('XML entity expansion') in Apache Software Foundation Apache Sling XSS
Improper restriction of recursive entity references in DTDs ('XML entity expansion') vulnerability in Apache Sling XSS. This issue affects Apache Sling XSS: before 2.4.12. Users are recommended to upgrade to version 2.4.12, which fixes the issue.
AI Analysis
Technical Summary
The vulnerability identified as CVE-2026-92001 in Apache Sling XSS is due to improper restriction of recursive entity references in Document Type Definitions (DTDs), commonly referred to as XML entity expansion. This can lead to issues such as denial of service or resource exhaustion if exploited. The affected versions are all releases prior to 2.4.12. The Apache Software Foundation has addressed this vulnerability in version 2.4.12 of Apache Sling XSS.
Potential Impact
The vulnerability allows recursive XML entity expansion which can potentially be abused to cause resource exhaustion or denial of service conditions in affected versions of Apache Sling XSS prior to 2.4.12. No known exploits in the wild have been reported.
Mitigation Recommendations
Upgrade Apache Sling XSS to version 2.4.12 or later, which contains the official fix for this vulnerability. No other mitigation steps are indicated by the vendor advisory.
CVE-2026-92001: CWE-776 Improper restriction of recursive entity references in DTDs ('XML entity expansion') in Apache Software Foundation Apache Sling XSS
Description
Improper restriction of recursive entity references in DTDs ('XML entity expansion') vulnerability in Apache Sling XSS. This issue affects Apache Sling XSS: before 2.4.12. Users are recommended to upgrade to version 2.4.12, which fixes the issue.
CVSS v3.1
Score 6.1medium
Affected software
Apache Software Foundation
Apache Sling XSS
pkg:maven/org.apache.sling/sling-xssRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability identified as CVE-2026-92001 in Apache Sling XSS is due to improper restriction of recursive entity references in Document Type Definitions (DTDs), commonly referred to as XML entity expansion. This can lead to issues such as denial of service or resource exhaustion if exploited. The affected versions are all releases prior to 2.4.12. The Apache Software Foundation has addressed this vulnerability in version 2.4.12 of Apache Sling XSS.
Potential Impact
The vulnerability allows recursive XML entity expansion which can potentially be abused to cause resource exhaustion or denial of service conditions in affected versions of Apache Sling XSS prior to 2.4.12. No known exploits in the wild have been reported.
Mitigation Recommendations
Upgrade Apache Sling XSS to version 2.4.12 or later, which contains the official fix for this vulnerability. No other mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-09-15T11:15:33.640Z
- State
- PUBLISHED
Threat ID: 6ab39cddf7a7c541069439ee
Added to database: 09/23/2026, 09:33:17 UTC
Last enriched: 09/23/2026, 09:47:37 UTC
Last updated: 09/24/2026, 01:57:04 UTC
Views: 12
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