CVE-2026-40993
highpriority · track · 29EPSS 0.002 · 9 %ileDEEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.6–7.3
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (7)
Products and version ranges known to be affected.
- Maven org.springframework.security:spring-security-saml2-service-provider7.0.0 → 7.0.6osvUSpkg:maven/org.springframework.security/spring-security-saml2-service-provider
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-1869VMware Tanzu Spring Security: Mehrere SchwachstellenDeutsch2026-06-09csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in VMware Tanzu Spring Security ausnutzen, um einen Denial of Service zu verursachen, beliebigen Code auszuführen, Benutzer auf beliebige Websites umzuleiten, Informationen offenzulegen und die Identität eines anderen Benutzers anzunehmen.
- GHSA-2q7c-5gjm-7q23Spring Security SAML2 Service Provider is vulnerable to Deserialization of Untrusted Data via JdbcAssertingPartyMetadataRepository2026-06-10ghsa · osvUS
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.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (5)
External citations — patches, advisories, analysis.
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