CVE-2026-59307 json
Deserialization allow-list silently bypassed: setBeanClassLoader replaces deserializer but mapper keeps stale reference
published 2026-08-27 2 mo ago modified 2026-08-31 2 mo ago also EUVD-2026-67192
- cvss
- 8.0
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 36%
- public exploits
- 0
- none known
Summary
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
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 mo ago
Exploit prediction
0.42% chance of exploitation in the next 30 days, higher than 36% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.0 | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H |
Affected products
- Spring Spring Integration
Classification
- Weakness
-
- CWE-502 Deserialization of Untrusted Data
References
-
spring.io
/security/cve-2026-59307
vendor-advisory
Sources
- CVE List CVE-2026-59307
- NVD CVE-2026-59307
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