GHSA-rcqc-6cw3-h962: jackson-databind has a @JsonView bypass for unwrapped creator parameters
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.
Impact
View-restricted unwrapped creator parameters can be set from untrusted input where @JsonView is used as a write-side authorization boundary.
Affected / Patched (verified via git tag --contains)
- 2.21 line: >= 2.21.0, < 2.21.4 -> fixed in 2.21.4 (backport 721fa07, #5973)
- 3.x line: >= 3.0.0, < 3.1.4 -> fixed in 3.1.4 (#5971, d633bc0)
Severity / CWE
Maintainer: minor. Reporter: HIGH. CWE-863 (Incorrect Authorization); related CWE-284.
Credits
Omkhar Arasaratnam (@omkhar) - finder.
Details
Original advisory: https://github.com/advisories/GHSA-rcqc-6cw3-h962
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-545180.26% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 18% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-54518 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- high[UPDATE] [high] FasterXML Jackson: Multiple vulnerabilitiescert-bund
- high[NEW] [high] Oracle Communications: Multiple vulnerabilitiescert-bund
- unknownMultiple vulnerabilities in Oracle Database Server (July 23, 2026)cert-fr-avis
- high[NEW] [high] Oracle Database Server: Multiple vulnerabilitiescert-bund
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