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Spring AMQP CVE-2026-59272

| EUVDEUVD-2026-67093 MEDIUM
Improper Validation of Certificate with Host Mismatch (CWE-297)
2026-08-27 vmware GHSA-fp2f-68v2-xw9x
6.8
CVSS 3.1 · Vendor: vmware
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Severity by source

Vendor (vmware) PRIMARY
6.8 MEDIUM
AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
vuln.today AI
7.4 HIGH

MITM requires no credentials to the vulnerable application; AC:H for mandatory active network interception; no availability impact from log interception.

3.1 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
4.0 AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (vmware).

CVSS VectorVendor: vmware

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

Lifecycle Timeline

1
Analysis Generated
Aug 27, 2026 - 18:24 vuln.today

DescriptionCVE.org

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

AnalysisAI

TLS certificate validation is absent by default in Spring AMQP's Log4j2 appender when shipping log events to a RabbitMQ broker, leaving all log traffic fully exposed to man-in-the-middle interception. Spring AMQP versions 2.4.18 and earlier, 3.2.0-3.2.12, 4.0.0-4.0.4, and 4.1.0 are affected when the Log4j2 appender is used with its documented default configuration. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Vulnerability AssessmentAI

Exploitation Three concurrent conditions must be met for exploitation: (1) the target application must be using the Spring AMQP Log4j2 appender to forward log events to a RabbitMQ broker over TLS - applications that do not use this specific appender are not affected; (2) the appender must be operating under the documented default configuration that omits certificate validation - any deployment that explicitly configures trust store and hostname verification is not vulnerable; and (3) the attacker must actively achieve a man-in-the-middle network position between the application host and the RabbitMQ broker endpoint, requiring active traffic interception and certificate substitution, not merely passive network observation. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 6.8 score (AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N) accurately reflects the core risk profile: network-exploitable but requiring high attack complexity, since achieving a man-in-the-middle position on the application-to-broker path demands active network interception rather than passive eavesdropping. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Upgrade Spring AMQP to a patched release; exact fixed version numbers must be confirmed from the official vendor advisory at https://spring.io/security/cve-2026-59272, as they were not independently derivable from available data. … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-59272 vulnerability details – vuln.today

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