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

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Summary

CVECVE-2026-40993
StatePUBLISHED
Assignervmware
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-10 00:16:50 UTC
Updated2026-06-10 00:16:50 UTC
DescriptionAn 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.

Risk And Classification

Primary CVSS: v3.1 7.3 HIGH from [email protected]

CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:H

Problem Types: CWE-502 | CWE-502 CWE-502: Deserialization of Untrusted Data

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.3HIGHCVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:H
3.1CNACVSS7.3HIGHCVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Adjacent
Attack Complexity
High
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
High
Availability
High

CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Spring Spring Security affected 7.0.0 7.0.6 custom Not specified

References

ReferenceSourceLinkTags
spring.io/security/cve-2026-40993 [email protected] spring.io
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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