{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-41729: Spring Data REST SpEL Injection via Map Key in JSON Patch","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-41729","status":"final","version":"1","initial_release_date":"2026-06-09T23:49:17.014Z","current_release_date":"2026-06-11T03:55:37.180Z","revision_history":[{"date":"2026-06-09T23:49:17.014Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"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.\n\nAffected versions:\nSpring 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.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-41729 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-41729"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-41729"},{"category":"external","summary":"spring.io","url":"https://spring.io/security/cve-2026-41729"}]},"product_tree":{"branches":[{"category":"vendor","name":"Spring","branches":[{"category":"product_name","name":"Spring Data REST","branches":[{"category":"product_version_range","name":">=3.7.0 <3.7.20","product":{"name":"Spring Spring Data REST >=3.7.0 <3.7.20","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:spring:spring_data_rest:*:*:*:*:*:*:*:*"}}},{"category":"product_version_range","name":">=4.3.0 <4.3.17","product":{"name":"Spring Spring Data REST >=4.3.0 <4.3.17","product_id":"CSAFPID-2","product_identification_helper":{"cpe":"cpe:2.3:a:spring:spring_data_rest:*:*:*:*:*:*:*:*"}}},{"category":"product_version_range","name":">=4.4.0 <4.4.15","product":{"name":"Spring Spring Data REST >=4.4.0 <4.4.15","product_id":"CSAFPID-3","product_identification_helper":{"cpe":"cpe:2.3:a:spring:spring_data_rest:*:*:*:*:*:*:*:*"}}},{"category":"product_version_range","name":">=4.5.0 <4.5.12","product":{"name":"Spring Spring Data REST >=4.5.0 <4.5.12","product_id":"CSAFPID-4","product_identification_helper":{"cpe":"cpe:2.3:a:spring:spring_data_rest:*:*:*:*:*:*:*:*"}}},{"category":"product_version_range","name":">=5.0.0 <5.0.6","product":{"name":"Spring Spring Data REST >=5.0.0 <5.0.6","product_id":"CSAFPID-5","product_identification_helper":{"cpe":"cpe:2.3:a:spring:spring_data_rest:*:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-41729","title":"Spring Data REST SpEL Injection via Map Key in JSON Patch","notes":[{"category":"description","text":"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.\n\nAffected versions:\nSpring 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.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1","CSAFPID-2","CSAFPID-3","CSAFPID-4","CSAFPID-5"]},"scores":[{"cvss_v3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","baseScore":8.1,"baseSeverity":"HIGH"},"products":["CSAFPID-1","CSAFPID-2","CSAFPID-3","CSAFPID-4","CSAFPID-5"]}],"remediations":[{"category":"vendor_fix","details":"Update to a fixed version: 3.7.20, 4.3.17, 4.4.15, 4.5.12, 5.0.6.","product_ids":["CSAFPID-1","CSAFPID-2","CSAFPID-3","CSAFPID-4","CSAFPID-5"]}]}]}