{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-40994: Wss4jSecurityInterceptor disables WS-I BSP validation by default","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-40994","status":"final","version":"1","initial_release_date":"2026-06-11T05:03:57.827Z","current_release_date":"2026-06-11T12:45:39.280Z","revision_history":[{"date":"2026-06-11T05:03:57.827Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"Wss4jSecurityInterceptor initialized its BSP (WS-I Basic Security Profile) compliance flag so that inbound validation disabled WSS4J BSP enforcement on RequestData. Services that validate WS-Security on the network could therefore accept messages that violate BSP rules, weakening protocol-level checks.\n\nAffected versions:\nSpring Web Services 5.0.0 through 5.0.1; 4.1.0 through 4.1.3; 4.0.0 through 4.0.18; 3.1.0 through 3.1.8.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-40994 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-40994"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-40994"},{"category":"external","summary":"spring.io","url":"https://spring.io/security/cve-2026-40994"}]},"product_tree":{"branches":[{"category":"vendor","name":"Spring","branches":[{"category":"product_name","name":"Spring Web Services","branches":[{"category":"product_version_range","name":">=5.0.0 <5.0.2","product":{"name":"Spring Spring Web Services >=5.0.0 <5.0.2","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:spring:spring_web_services:*:*:*:*:*:*:*:*"}}},{"category":"product_version_range","name":">=4.1.0 <4.1.4","product":{"name":"Spring Spring Web Services >=4.1.0 <4.1.4","product_id":"CSAFPID-2","product_identification_helper":{"cpe":"cpe:2.3:a:spring:spring_web_services:*:*:*:*:*:*:*:*"}}},{"category":"product_version_range","name":">=4.0.0 <4.0.19","product":{"name":"Spring Spring Web Services >=4.0.0 <4.0.19","product_id":"CSAFPID-3","product_identification_helper":{"cpe":"cpe:2.3:a:spring:spring_web_services:*:*:*:*:*:*:*:*"}}},{"category":"product_version_range","name":">=3.1.0 <3.1.9","product":{"name":"Spring Spring Web Services >=3.1.0 <3.1.9","product_id":"CSAFPID-4","product_identification_helper":{"cpe":"cpe:2.3:a:spring:spring_web_services:*:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-40994","title":"Wss4jSecurityInterceptor disables WS-I BSP validation by default","notes":[{"category":"description","text":"Wss4jSecurityInterceptor initialized its BSP (WS-I Basic Security Profile) compliance flag so that inbound validation disabled WSS4J BSP enforcement on RequestData. Services that validate WS-Security on the network could therefore accept messages that violate BSP rules, weakening protocol-level checks.\n\nAffected versions:\nSpring Web Services 5.0.0 through 5.0.1; 4.1.0 through 4.1.3; 4.0.0 through 4.0.18; 3.1.0 through 3.1.8.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1","CSAFPID-2","CSAFPID-3","CSAFPID-4"]},"scores":[{"cvss_v3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N","baseScore":8.2,"baseSeverity":"HIGH"},"products":["CSAFPID-1","CSAFPID-2","CSAFPID-3","CSAFPID-4"]}],"remediations":[{"category":"vendor_fix","details":"Update to a fixed version: 3.1.9, 4.0.19, 4.1.4, 5.0.2.","product_ids":["CSAFPID-1","CSAFPID-2","CSAFPID-3","CSAFPID-4"]}]}]}