CVE-2026-59307: high-severity vulnerability in Spring Integration
Deserialization allow-list silently bypassed: setBeanClassLoader replaces deserializer but mapper keeps stale reference
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8epss 0.4%
An operator who calls JdbcMessageStore.addAllowedPatterns(...) to restrict deserialization receives no protection at all when the store is a Spring-managed bean.
Spring Integration 7.1.0
Spring Integration 7.0.0 - 7.0.5
Spring Integration 6.5.0 - 6.5.10
Spring Integration 6.4.0 - 6.4.12
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Affected products
Spring · Spring IntegrationRelated CVEs — Spring Integration
In the same product, most dangerous first.
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