GHSA-5hh8-q8hv-fr38 - Vulnerability details

5.3/10

CVSS 3.1

GHSA-5hh8-q8hv-fr38

resolved Published 2026-06-23 Updated 2026-07-20

GitHub Advisory

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Vulnerability Data from Dependency-Track

Affected versions

5.6

5.6.4 5.6.3 5.6.2 5.6.1 5.6.0

5.5

5.5.17 5.5.16 5.5.15 5.5.14 5.5.13 5.5.12 5.5.11 5.5.10 5.5.9 5.5.8

5.4

5.4.11

Fixed in versions 5.7.0, 5.6.5, 5.5.18 and 5.4.12

Score

5.3 CVSS 3.1 GITHUB CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Description

## Summary In `BeanDeserializer._deserializeUsingPropertyBased`, the active-view (`@JsonView`) filter was applied only to creator properties; the regular property-buffering branch performed no `prop.visibleInView(activeView)` check. A change making `SetterlessProperty.isMerging()` return `true` routed setterless Collection/Map properties through this unguarded path, so a setterless collection annotated with a restricted `@JsonView` is populated from attacker JSON even when the active view excludes it. ## Impact View-restricted (e.g. admin-only) setterless collection/map properties can be written from untrusted JSON despite `@JsonView` gating — an access-control / mass-assignment bypass. No RCE or DoS. ## Affected / Patched (verified via `git tag --contains`) - 2.21 line: `>= 2.21.0, < 2.21.4` -> fixed in **2.21.4** (backport `94c5d21`, #5970) - 3.x line: `>= 3.0.0, < 3.1.4` -> fixed in **3.1.4** (#5969, `5bf23ed`) ## Severity / CWE Maintainer: minor. Reporter: HIGH. CWE-863 (Incorrect Authorization); related CWE-1220. ## Credits Omkhar Arasaratnam (@omkhar) - finder.

Same vulnerability as

CVE-2026-54517 resolved according to EUVD-2026-38589

Analysis Read only

State

Justification

Recommandation

Workaround

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