CVE-2026-47849 Spring Data REST allows mutation of identifier and version properties via JSON Patch
Attackers can modify protected identifier and version fields in Spring Data REST entities using JSON Patch requests, compromising data integrity.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-47849?
CVE-2026-47849 is a high-severity vulnerability in Spring Data REST, published on 27 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Spring Data REST does not guard identifier (@Id) and version (@Version) properties against mutation via RFC 6902 JSON Patch (application/json-patch+json) requests. Spring Data REST 5.1.0 Spring Data REST 5.0.0 - 5.0.6 Spring Data REST 4.5.0 - 4.5.12 Spring Data REST 4.0.0 - 4.4.15 Spring Data REST 3.7.20 and earlier
Weakness: CWE-915
Which versions are affected by CVE-2026-47849?
It affects 1 product.
Products include Vmware Spring Data Rest.
How do I fix CVE-2026-47849?
Upgrade to a fixed version.
Is CVE-2026-47849 being exploited?
There is no known exploitation of CVE-2026-47849 in the wild and no public exploit code.
Other vulnerabilities in Spring Data REST
- CVE-2026-41729 Spring Data REST SpEL Injection via Map Key in JSON Patch
- CVE-2026-41728 Spring Data REST JSON Patch bypasses Jackson read-only property protection on nested objects and collections
- CVE-2026-41730 Spring Data REST exposes persistence-layer internals in error responses
- CVE-2026-41837 Spring Data REST Querydsl integration exposes Jackson-hidden persistent fields as filter keys
- CVE-2021-22047 Exposure of Resource to Wrong Sphere in Spring Data REST
Sources
Also known as CLSA-2026-1788196746, CLSA-2026-1788279532, CLSA-2026-1788357718, CLSA-2026-1788359035, GHSA-4xj4-jmcc-9rq7.