CVE-2026-47849: Spring Data REST does not guard identifier (@Id) and version (@Version) properties against mutation via RFC 69
CVE-2026-47849 is a high-severity flaw (CVSS 7.1) affecting spring data rest. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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
Why this priority
- High severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.1 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.4% (top 72%) |
| CISA exploited list | No |
| Weakness | CWE-915 |
| Published | 2026-08-27 |
| Last modified | 2026-09-02 |
Last updated 2026-09-02 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Advisories and coverage
Official advisories
- Spring Security Advisories: cve-2026-47849 - HIGH - Spring Data REST allows mutation of identifier and version properties via JSON Patch 2026-08-20
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-47849?
spring data rest: upgrade to 3.7.21, 4.4.16, 4.5.13, 5.0.6.1, 5.1.0.1. Exact commands for each OS are on this page.
Is CVE-2026-47849 being exploited?
CVE-2026-47849 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-47849 affect?
CVE-2026-47849 affects spring data rest. Severity is high (CVSS 7.1). 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
How urgent is CVE-2026-47849?
Priority 32/100. High severity
Software pages
Related CVEs
- CVE-2026-47850 MEDIUM 4.3 UPGRADE Spring Data REST does not preserve the persisted version (@Version) property of an aggregate root when handlin