{"id":"CVE-2026-40993","aliases":["GHSA-2q7c-5gjm-7q23"],"url":"https://o3.security/vulnerability/CVE-2026-40993","summary":"Unfiltered Java Native Deserialization of SAML 2.0 Asserting Party Credentials BLOB Database Entry","details":"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.","published":"2026-06-09T23:46:39.702Z","modified":"2026-08-12T17:26:04.322495874Z","cvss":{"score":7.3,"severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.springframework.security:spring-security-saml2-service-provider","fixedVersion":"7.0.6"}],"fix":null,"references":[{"type":"WEB","url":"https://spring.io/security/cve-2026-40993"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40993.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40993"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T17:26:04.322495874Z"}}