Unbounded decompression of attacker-supplied compressed message bodies

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-47860
StatePUBLISHED
Assignervmware
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-27 01:17:33 UTC
Updated2026-08-27 01:17:33 UTC
DescriptionAn 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

Risk And Classification

Primary CVSS: v3.1 6.5 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Problem Types: CWE-409 Improper Handling of Highly Compressed Data (Data Amplification, Decompression Bomb)

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
3.1CNACVSS6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Spring Spring AMQP affected 4.1.0 custom Not specified
CNA Spring Spring AMQP affected 4.0.0 4.0.4 custom Not specified
CNA Spring Spring AMQP affected 3.2.0 3.2.12 custom Not specified
CNA Spring Spring AMQP affected 2.4.18 custom Not specified

References

ReferenceSourceLinkTags
spring.io/security/cve-2026-47860 [email protected] spring.io
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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