CVE-2026-41862
High
Description
Spring Statemachine's Kryo-based persistence backends (JPA, MongoDB, Redis and ZooKeeper) deserialise persisted state-machine contexts without enforcing a class allowlist (CWE-502, deserialisation of untrusted data), which can lead to remote code execution inside the application JVM. Affected versions: Spring Statemachine 4.0.0 through 4.0.1 Spring Statemachine 3.2.0 through 3.2.4
SeverityHigh
CVSS8.8
Exploit probability—
Product
Broadcom Spring Statemachine
PublishedJun 23, 2026
First seenJun 23, 2026
Weakness typeCWE-502Deserialization of untrusted data
How to fix
Update
- broadcom spring_statemachine3.2.5, 4.0.2 or later
- org.springframework.statemachine:spring-statemachine-kryo4.0.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| broadcom spring_statemachine | 3.2.0 ≤ v < 3.2.5, 4.0.0 ≤ v < 4.0.2 | 3.2.5, 4.0.2 |
| org.springframework.statemachine:spring-statemachine-kryoMaven | 3.2.0 ≤ v ≤ 3.2.4, 4.0.0 ≤ v < 4.0.2 | 4.0.2 |
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