CVE-2026-40993

Name of the Vulnerable Software and Affected Versions Spring Security versions 7.0.0 through 7.0.5

Description An attacker with write permissions to the database table managed by JdbcAssertingPartyMetadataRepository (saml2 asserting party metadata) can store malicious serialized payloads. This occurs within the columns containing the collection of verification or encryption credentials, specifically verification credentials and encryption credentials.

Recommendations Update Spring Security to a version later than 7.0.5.