Spring Data REST JSON Patch bypasses Jackson read-only property protection on nested objects and collections
CVE-2026-41728

7.5HIGH

Key Information:

Vendor

Spring

Status
Spring Data Rest
Vendor
CVE Published:
9 June 2026

What is CVE-2026-41728?

Spring Data REST's JSON Patch (application/json-patch+json) implementation does not apply the write-access filter to intermediate path segments when resolving a multi-segment JSON Pointer.

Affected versions: Spring Data REST 3.7.0 through 3.7.19; 4.3.0 through 4.3.16; 4.4.0 through 4.4.14; 4.5.0 through 4.5.11; 5.0.0 through 5.0.5.

Affected Version(s)

Spring Data REST 3.7.0 < 3.7.20

Spring Data REST 4.3.0 < 4.3.17

Spring Data REST 4.4.0 < 4.4.15

References

https://spring.io/security/cve-2026-41728

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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