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GHSA-2q7c-5gjm-7q23

Spring Security SAML2 Service Provider is vulnerable to Deserialization of Untrusted Data via JdbcAssertingPartyMetadataRepository

Source: GitHub Advisory Database (reviewed) High CVE-2026-40993

Packages

EcosystemPackageAffectedFixed in
Maven org.springframework.security:spring-security-saml2-service-provider >= 7.0.0, < 7.0.6 7.0.6

Details

As written in the advisory (Markdown source, shown as plain 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). Affected versions: Spring Security 7.0.0 through 7.0.5.

References

External links from the advisory. They lead to third-party sites.