Unfiltered Java Native Deserialization of SAML 2.0 Asserting Party Credentials BLOB Database Entry
Key facts
- Attack vector
- Adjacent network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- None · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-502.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| VMware | Spring Security | 7.0.0 to before 7.0.5.1 | 7.0.5.1 | Patch available | CNA |
| — | org.springframework.security:spring-security-saml2-service-provider (Maven) | 7.0.0 to before 7.0.6 | 7.0.6 | Patch available | GHSA-2q7c-5gjm-7q23 |
- Spring Security VendorVMware Affected 7.0.0 to before 7.0.5.1 Fixed in 7.0.5.1 Patch available CNA
- org.springframework.security:spring-security-saml2-service-provider (Maven) Vendor— Affected 7.0.0 to before 7.0.6 Fixed in 7.0.6 Patch available GHSA-2q7c-5gjm-7q23
Remediation
- Fix · CNA Spring Security (Spring) Fixed in 7.0.5.1
- Fix · GHSA-2q7c-5gjm-7q23 org.springframework.security:spring-security-saml2-service-provider (Maven) Fixed in 7.0.6 Advisory →
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Spring Security 7.0.5.1
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2026-29659 Spring Security Authorization Server Open Redirect via request_uriPriority LOW 26
Timeline
- 2026-10-02 Threatist record created from CVE-2026-40993
- 2026-10-03 Alias added: GHSA-2q7c-5gjm-7q23
References
More VMware Spring Security vulnerabilities
- TI-2023-16900 Improper access control in Spring Security CVSS 3.1CRITICAL 9.8
- TI-2022-13611 Authorization bypass in Spring by VMware CVSS 3.1CRITICAL 9.8
- TI-2022-07154 Incorrect authorization in Spring Security CVSS 3.1CRITICAL 9.8
- TI-2026-42404 Spring Security embedded UnboundID LDAP server exposes well-known administrative bind DN on all network interfaces CVSS 3.1CRITICAL 9.4
- TI-2026-18257 Under Some Conditions Spring Security HTTP Headers Are not Written CVSS 3.1CRITICAL 9.1
- TI-2014-02853 Improper authentication in Pivotal Spring Security CVSS 3.0CRITICAL 9.8
Sources
- CVE-2026-40993 · CVE Program
- CVE-2026-40993 · NVD
- FIRST EPSS
- GHSA-2q7c-5gjm-7q23 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences