Spring AMQP 4.1.0+ Vulnerability: System.exit Crash via AMQP Message
CVE-2026-59275 Published on August 27, 2026
Remote JVM termination: nested-array Java deserialization bypasses allowlist, triggers StackOverflowError, default JavaLangErrorHandler calls System.exit(99)
A single hostile AMQP message can terminate the entire consumer JVM (System.exit(99)), not just the listener thread full availability loss for every workload co-located in that process.
Spring AMQP 4.1.0
Spring AMQP 4.0.0 - 4.0.4
Spring AMQP 3.2.0 - 3.2.12
Spring AMQP 2.4.18 and earlier
Vulnerability Analysis
CVE-2026-59275 can be exploited with network access, and requires user privileges. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is a Marshaling, Unmarshaling Vulnerability?
The application deserializes untrusted data without sufficiently verifying that the resulting data will be valid.
CVE-2026-59275 has been classified to as a Marshaling, Unmarshaling vulnerability or weakness.
Products Associated with CVE-2026-59275
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Affected Versions
Spring AMQP:- Version 4.1.0 is affected.
- Version 4.0.0, <= 4.0.4 is affected.
- Version 3.2.0, <= 3.2.12 is affected.
- Before and including 2.4.18 is affected.