Uncontrolled Recursion Affecting org.apache.neethi:neethi package, versions [,3.2.3)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published27 Aug 2026
- disclosed24 Jul 2026
- creditLTSHFWJT
Introduced: 24 Jul 2026
CVE-2026-66142 (opens in a new tab)How to fix?
Upgrade org.apache.neethi:neethi to version 3.2.3 or higher.
Overview
Affected versions of this package are vulnerable to Uncontrolled Recursion in the PolicyBuilder policy parser. An attacker can exhaust runtime memory and crash the application by supplying a policy document with deeply nested policy operators, or a policy structure that drives unbounded recursive descent during parsing. The flaw lives in src/main/java/org/apache/neethi/PolicyBuilder.java, where getPolicy() recursively processes nested policy elements. When the parser handles attacker-controlled policy input, the recursive expansion can grow until it runs out of memory, causing a denial of service for applications that parse untrusted WS-Policy documents.