CVE-2026-47860 Unbounded decompression of attacker-supplied compressed message bodies
Attackers can crash the consumer JVM via unbounded decompression of compressed messages if message decompression is enabled.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-47860?
CVE-2026-47860 is a medium-severity denial of service vulnerability in Spring AMQP, published on 26 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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
Weakness: CWE-835
Which versions are affected by CVE-2026-47860?
It affects 1 product.
Products include Vmware Spring Advanced Message Queuing Protocol.
How do I fix CVE-2026-47860?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-47860 being exploited?
There is no known exploitation of CVE-2026-47860 in the wild and no public exploit code.
Other vulnerabilities in Spring AMQP
- CVE-2026-59272 Log4j2 AmqpAppender disables TLS hostname verification by default
- CVE-2026-59275 Deserialization in Spring AMQP
- CVE-2026-59320 In Spring AMQP the link credit never replenished on listener exception path
- CVE-2021-22095 Deserialization of Untrusted Data in Spring AMQP
- CVE-2021-22097 Deserialization of Untrusted Data in Spring AMQP
Sources
Also known as GHSA-2jgf-w345-55x3.