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  <updated>2026-10-01T20:44:33.010918+00:00</updated>
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  <entry>
    <id>https://db.gcve.eu/vuln/ghsa-rcqc-6cw3-h962</id>
    <title>GHSA-rcqc-6cw3-h962 — jackson-databind has a @JsonView bypass for unwrapped creator parameters</title>
    <updated>2026-10-01T20:44:33.014443+00:00</updated>
    <content type="xhtml">
      <div xmlns="http://www.w3.org/1999/xhtml"><p><strong>Affected:</strong> Maven: com.fasterxml.jackson.core:jackson-databind, Maven: tools.jackson.core:jackson-databind</p>
<p>## Summary
`UnwrappedPropertyHandler.processUnwrappedCreatorProperties()` replays buffered JSON into creator parameters but never consults `prop.visibleInView(activeView)`. The normal property-based creator path gates creator properties on the active view, but this unwrapped-creator replay path bypasses that check, so a constructor parameter annotated with both `@JsonView(AdminView.class)` and `@JsonUnwrapped` is populated from attacker JSON even when a more restrictive view is active.</p>
<p>## Impact
View-restricted unwrapped creator parameters can be set from untrusted input where `@JsonView` is used as a write-side authorization boundary.</p>
<p>## Affected / Patched (verified via `git tag --contains`)
- 2.21 line: `&gt;= 2.21.0, &lt; 2.21.4` -&gt; fixed in **2.21.4** (backport `721fa07`, #5973)
- 3.x line: `&gt;= 3.0.0, &lt; 3.1.4` -&gt; fixed in **3.1.4** (#5971, `d633bc0`)</p>
<p>## Severity / CWE
Maintainer: minor. Reporter: HIGH. CWE-863 (Incorrect Authorization); related CWE-284.</p>
<p>## Credits
Omkhar Arasaratnam (@omkhar) - finder.</p></div>
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    <link href="https://db.gcve.eu/vuln/ghsa-rcqc-6cw3-h962"/>
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