Insertion of Sensitive Information Into Sent Data in Spring Data REST - CVE-2026-41730

 

Insertion of Sensitive Information Into Sent Data in Spring Data REST - CVE-2026-41730

Published: August 31, 2026


Vulnerability identifier: #VU146404
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-41730
CWE-ID: CWE-201
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to disclose persistence-layer internals.

The vulnerability exists due to insertion of sensitive information into sent data in Spring Data REST error response bodies when handling requests that trigger exceptions. A remote attacker can send a request that triggers an error to disclose persistence-layer internals.

Only applications that expose a Spring Data REST repository backed by a relational store and do not restrict unauthenticated access to the affected endpoints are vulnerable.


Affected software

Spring Data REST

How to mitigate CVE-2026-41730

Install security update from vendor's website.

Spring Data REST - addressed in versions 3.7.20, 4.3.17, 4.4.15, 4.5.11.1, 4.5.12, 5.0.5.1, 5.0.6

External References

Related Security Bulletins