CVE-2026-91864: Vulnerability in Apache Software Foundation Apache Neethi
A specially crafted WS-Policy document can pack unlimited content inside a policy assertion, which Neethi copies into memory without counting it against its size limits, exhausting the heap (denial of service). Users are recommended to upgrade to version 3.2.4, which fixes this issue.
AI Analysis
Technical Summary
CVE-2026-91864 is a denial of service vulnerability in Apache Neethi caused by improper handling of WS-Policy documents. The software copies unlimited content inside a policy assertion into memory without enforcing size limits, which can exhaust the heap memory and cause service disruption. The vendor has addressed this issue in Apache Neethi version 3.2.4.
Potential Impact
An attacker can cause a denial of service by sending a specially crafted WS-Policy document that triggers heap exhaustion in Apache Neethi. This results in service unavailability due to resource exhaustion.
Mitigation Recommendations
Users should upgrade Apache Neethi to version 3.2.4 or later to remediate this vulnerability. This version includes the fix that enforces proper size limits on policy assertions to prevent heap exhaustion.
CVE-2026-91864: Vulnerability in Apache Software Foundation Apache Neethi
Description
A specially crafted WS-Policy document can pack unlimited content inside a policy assertion, which Neethi copies into memory without counting it against its size limits, exhausting the heap (denial of service). Users are recommended to upgrade to version 3.2.4, which fixes this issue.
CVSS v3.1
Score 7.5high
Affected software
Apache Software Foundation
Apache Neethi
pkg:maven/Apache Software Foundation/org.apache.neethi:neethiRun 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
CVE-2026-91864 is a denial of service vulnerability in Apache Neethi caused by improper handling of WS-Policy documents. The software copies unlimited content inside a policy assertion into memory without enforcing size limits, which can exhaust the heap memory and cause service disruption. The vendor has addressed this issue in Apache Neethi version 3.2.4.
Potential Impact
An attacker can cause a denial of service by sending a specially crafted WS-Policy document that triggers heap exhaustion in Apache Neethi. This results in service unavailability due to resource exhaustion.
Mitigation Recommendations
Users should upgrade Apache Neethi to version 3.2.4 or later to remediate this vulnerability. This version includes the fix that enforces proper size limits on policy assertions to prevent heap exhaustion.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-09-15T09:54:19.238Z
- State
- PUBLISHED
Threat ID: 6ab123cc55bf5e2cf5dff86d
Added to database: 09/21/2026, 12:32:12 UTC
Last enriched: 09/21/2026, 12:46:48 UTC
Last updated: 09/21/2026, 23:56:20 UTC
Views: 15
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