CVE-2026-59272

Log4j2 AmqpAppender disables TLS hostname verification by default

State: Published
Severity: 6.8 Medium
Published: Aug 27, 2026
Updated: Aug 28, 2026
Reserved: Jul 4, 2026

Description

Any 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

Scores

CVSS	Score	Vector	Source
3.1	6.8 Medium	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N	vmware

Weaknesses

CWE-297 Improper Validation of Certificate with Host Mismatch

Affected Products

Product	Versions
Spring AMQPSpring	4.1.0Affected 4.0.0 through 4.0.4Affected 3.2.0 through 3.2.12Affected 2.4.18 and earlierAffected

References

https://spring.io/security/cve-2026-59272

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