What is CVE-2026-47849?

CVE-2026-47849 is a high-severity vulnerability in Spring Data Rest, classified under Improperly Controlled Modification of Dynamically-Determined Object Attributes. CVSS score: 7.1/10. Published 2026-08-27.

How severe is CVE-2026-47849?

High severity. CVSS v3 base score is 7.1 out of 10.

Vulnerability in Spring Data Rest

CVE-2026-47849

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

Vulnerability class: Mass Assignment

EPSS: 0.003 (18.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N.

Affected products

Spring Data Rest — versions 5.1.0

Weakness classification (CWE)

CWE-915 — Improperly Controlled Modification of Dynamically-Determined Object Attributes

References

security@vmware.com

Frequently asked questions

What is CVE-2026-47849?: CVE-2026-47849 is a high-severity vulnerability in Spring Data Rest, classified under Improperly Controlled Modification of Dynamically-Determined Object Attributes. CVSS score: 7.1/10. Published 2026-08-27.
How severe is CVE-2026-47849?: High severity. CVSS v3 base score is 7.1 out of 10.