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🛡️ Sentinel: Enforce secure processing on SAXParser in XMLLoader - #633

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sentinel/xml-loader-secure-processing-hardening-8508956137073353673
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matteobaccan wants to merge 1 commit into
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sentinel/xml-loader-secure-processing-hardening-8508956137073353673

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@matteobaccan

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🛡️ Sentinel Security Improvement

  • Severity: ✨ ENHANCEMENT
  • Vulnerability / Security Concern: XML parsers instantiated from SAXParserFactory should explicitly enforce XMLConstants.FEATURE_SECURE_PROCESSING at the parser instance level in addition to the factory level to protect against misconfigured or custom SAX parser implementations.
  • Impact: Ensures defense-in-depth against XML entity expansion (billion laughs) and XXE denial-of-service risks when processing XML configuration files.
  • Fix: Added setFeature(SAXParser parser, String feature, boolean value) helper and invoked setFeature(parser, XMLConstants.FEATURE_SECURE_PROCESSING, true) inside XMLLoader.read().
  • Verification: Added testSecureProcessingPropertyIsSetOnParser in XMLLoaderTest.java and ran full suite via mvn test.

PR created automatically by Jules for task 8508956137073353673 started by @matteobaccan

Explicitly set FEATURE_SECURE_PROCESSING on SAXParser instances created in
XMLLoader.read() to ensure secure processing limits are enforced at the
parser level as defense-in-depth against XML entity expansion / XXE DoS.
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@sonarqubecloud

sonarqubecloud Bot commented Oct 8, 2026

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Quality Gate Failed Quality Gate failed

Failed conditions
66.7% Coverage on New Code (required ≥ 80%)

See analysis details on SonarQube Cloud

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