{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-40993: Unfiltered Java Native Deserialization of SAML 2.0 Asserting Party Credentials BLOB Database Entry","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-40993","status":"final","version":"1","initial_release_date":"2026-06-09T23:46:39.702Z","current_release_date":"2026-06-10T13:01:11.325Z","revision_history":[{"date":"2026-06-09T23:46:39.702Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"An attacker with write permissions to the database table managed by JdbcAssertingPartyMetadataRepository (saml2_asserting_party_metadata) may be able to store malicious serialized payloads in the columns containing the collection of verification or encryption credentials (verification_credentials and encryption_credentials, respectively).\n\nAffected versions:\nSpring Security 7.0.0 through 7.0.5.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-40993 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-40993"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-40993"},{"category":"external","summary":"spring.io","url":"https://spring.io/security/cve-2026-40993"}]},"product_tree":{"branches":[{"category":"vendor","name":"Spring","branches":[{"category":"product_name","name":"Spring Security","branches":[{"category":"product_version_range","name":">=7.0.0 <7.0.6","product":{"name":"Spring Spring Security >=7.0.0 <7.0.6","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:spring:spring_security:*:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-40993","title":"Unfiltered Java Native Deserialization of SAML 2.0 Asserting Party Credentials BLOB Database Entry","notes":[{"category":"description","text":"An attacker with write permissions to the database table managed by JdbcAssertingPartyMetadataRepository (saml2_asserting_party_metadata) may be able to store malicious serialized payloads in the columns containing the collection of verification or encryption credentials (verification_credentials and encryption_credentials, respectively).\n\nAffected versions:\nSpring Security 7.0.0 through 7.0.5.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1"]},"scores":[{"cvss_v3":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:H","baseScore":7.3,"baseSeverity":"HIGH"},"products":["CSAFPID-1"]}],"remediations":[{"category":"vendor_fix","details":"Update to a fixed version: 7.0.6.","product_ids":["CSAFPID-1"]}]}]}