Log4j2 AmqpAppender disables TLS hostname verification by default

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-59272
StatePUBLISHED
Assignervmware
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-27 17:18:57 UTC
Updated2026-09-01 15:50:45 UTC
DescriptionAny application shipping logs to RabbitMQ over TLS via the Log4j2 appender, relying on the documented default, is exposed to man-in-the-middle interception of every log event. 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 6.8 MEDIUM from [email protected]

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

EPSS: 0.001630000 probability, percentile 0.057840000 (date 2026-08-30)

Problem Types: CWE-297 | CWE-297 Improper Validation of Certificate with Host Mismatch | CWE-297 CWE-297 Improper Validation of Certificate with Host Mismatch

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.8MEDIUMCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
3.1CNACVSS6.8MEDIUMCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

CVSS v3.1 Breakdown

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

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Vmware Spring Advanced Message Queuing Protocol All All All All

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-2026-59272 [email protected] spring.io Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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