{"cve":"CVE-2026-40993","nvd":{"published":"2026-06-10T00:16:50.197","modified":"2026-07-23T09:10:00.113","status":"Analyzed","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","score":7.2},"cwes":["CWE-502"],"references":["https://spring.io/security/cve-2026-40993"],"products":["vmware:spring_security"],"source":"nvd","synced_at":"2026-10-19T22:38:48.522727527+00:00"},"epss":{"cve":"CVE-2026-40993","score":0.00198,"percentile":0.096,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-2q7c-5gjm-7q23","url":"https://osv.dev/vulnerability/GHSA-2q7c-5gjm-7q23","summary":"Spring Security SAML2 Service Provider is vulnerable to Deserialization of Untrusted Data via JdbcAssertingPartyMetadataRepository","modified":"2026-08-12T17:26:04.322495Z","packages":[{"ecosystem":"Maven","name":"org.springframework.security:spring-security-saml2-service-provider","purl":"pkg:maven/org.springframework.security/spring-security-saml2-service-provider","ranges":[">=7.0.0 <7.0.6"],"fixed":["7.0.6"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}