Spring AMQP 4.1.0 JVM Crash via Message Decompression (CVE-2026-47860)
CVE-2026-47860 Published on August 26, 2026
Unbounded decompression of attacker-supplied compressed message bodies
An attacker who can publish to a queue consumed by an application that has enabled message decompression can crash the consumer JVM with a single ~1 MB message.
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-2026-47860 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Products Associated with CVE-2026-47860
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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.