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CVE-2026-40993

Unfiltered Java Native Deserialization of SAML 2.0 Asserting Party Credentials BLOB Database Entry

Published: Jun 9, 2026Updated: Jun 27, 2026 Sources: CVE List NVDCWE-502
7.3HIGH
NVD MITRE
EPSS Score
0.2%
Top 90.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:AAC:HPR:HUI:NS:CC:NI:HA:H
Exploitability
AV:AAttack Vector
Adjacent
AC:HAttack Complexity
High
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-502

Affected Products

vmware
commercial·USaka vmware inc
spring securityLibraryLibrary
OSS Libraries / web-framework
Spring
oss-projectaka spring boot, spring security, spring framework
Spring Security
OSS Libraries

Exploitability

Official Patch Available
Scannable·OpenVAS
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

3 techniques
Execution
Initial Access
View detailed technique mapping

References

https://spring.io/security/cve-2026-40993
spring.io
News mentions
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