Vulnerability Report

CVE-2026-41729

Title: SpEL Expression Injection in Spring Data REST JSON Patch

Other

Proof Of Concept

PoC Available for CVE-2026-41729

CWE Category CWE-917

Published Date Jun 10, 2026

Modified Date Jun 10, 2026

Exploit Status Available

Score 8.1 CVSS v3.1

Exploit Probability (EPSS)

0.28%

Vulnerability Summary

CVE-2026-41729: Spring Data REST is vulnerable to SpEL expression injection through map-typed properties when processing JSON Patch (application/json-patch+json) requests. When a persistent entity exposes a Map-typed property, the JSON Pointer path segment used as the map key is embedded directly into a SpEL expression without sanitization or validation. 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.

Impacted Vendors

Analysis in Progress...

Reference Links

https://spring.io/security/cve-2026-41729

CVSS v3.1

Source Entity [email protected]

Severity HIGH

8.1

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-41729 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/daehyuh/CVE-2026-41729

View Code

June 10, 2026 MODIFIED

Vulnerability data updated via NVD.

June 10, 2026 MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.