Intel

AIKIDO-2026-458467

spring-security-core is vulnerable to Deserialization of Untrusted Data

Deserialization of Untrusted DataCVE-2026-40993 Published Today

73

High Risk

This Affects:

JAVAspring-security-core
7.0.0 - 7.0.5
Fixed in 7.0.6
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TL;DR

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).

Who does this affect?

You are affected if you are using a version that falls within the vulnerable range.

Background info

spring-security-core is vulnerable to Deserialization of Untrusted Data in versions 7.0.0 - 7.0.5.

How to fix this

Upgrade the org.springframework.security:spring-security-core library to the patch version.