CVE-2026-40993CWE-502

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

High · published June 9, 2026

CVSS v3.1
7.3
EPSS
0%
Percentile
22.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.3 · HIGH
Vector
CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00305 · 22.1th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2026-06-09T23:46Z
EPSS history
Timeline
  • 09 JUN 23:46Z
    Unfiltered Java Native Deserialization of SAML 2.0 Asserting Party Credentials BLOB Database Entry
    cvelistv5