Spring Data REST SpEL Injection via Map Key in JSON Patch

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Summary

CVECVE-2026-41729
StatePUBLISHED
Assignervmware
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-10 00:16:52 UTC
Updated2026-06-10 00:16:52 UTC
DescriptionSpring 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.

Risk And Classification

Primary CVSS: v3.1 8.1 HIGH from [email protected]

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

Problem Types: CWE-917 | CWE-917 CWE-917: Improper Neutralization of Special Elements used in an Expression Language Statement (Expression Language Injection)

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary8.1HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
3.1CNACVSS8.1HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Spring Spring Data REST affected 3.7.0 3.7.20 custom Not specified
CNA Spring Spring Data REST affected 4.3.0 4.3.17 custom Not specified
CNA Spring Spring Data REST affected 4.4.0 4.4.15 custom Not specified
CNA Spring Spring Data REST affected 4.5.0 4.5.12 custom Not specified
CNA Spring Spring Data REST affected 5.0.0 5.0.6 custom Not specified

References

ReferenceSourceLinkTags
spring.io/security/cve-2026-41729 [email protected] spring.io
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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