Medium severity · published Aug 27, 2026
CVE-2026-59272
Log4j2 AmqpAppender disables TLS hostname verification by default
6.8
CVSS
0.3%
EPSS
No
On KEV
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
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 19% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SA
Spring AMQP · Spring
4.1.0; 4.0.0 through 4.0.4; 3.2.0 through 3.2.12; through 2.4.18 · source: vendor
SA
Spring Advanced Message Queuing Protocol · Vmware
before 2.4.19; 3.2.0 before 3.2.13; 4.0.0 before 4.0.4.1; 4.1.0 before 4.1.0.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-59272
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-59272
Vendor Advisory
https://spring.io/security/cve-2026-59272
More from Spring AMQP
6.5
CVE-2026-59320
In Spring AMQP the link credit never replenished on listener exception path
6.5
CVE-2026-59271
Admin password disclosed in BrokerNotAliveException message
6.5
CVE-2026-47860
Unbounded decompression of attacker-supplied compressed message bodies
4.9
CVE-2026-59275
Remote JVM termination: nested-array Java deserialization bypasses allowlist, triggers StackOverflowError, default JavaLangErrorHandler calls System.exit(99)
4.4
CVE-2026-41701
In Spring AMQP sequential correlation IDs enable reply poisoning on fixed reply queues