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Spring Cloud Stream CVE-2026-59305

| EUVDEUVD-2026-67191 LOW
Incorrect Behavior Order (CWE-696)
2026-08-27 vmware GHSA-2rxg-q5cr-vqwx
Java Information Disclosure Spring Spring Cloud Stream
3.8
CVSS 3.1 · NVD

Severity by source

Vendor (vmware) PRIMARY
LOW
qualitative
NVD
3.8 LOW
AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
vuln.today AI
3.1 LOW

High privileges and user interaction required to trigger the interceptor flaw; only limited confidentiality and integrity impact via partition misrouting; no availability impact.

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

Primary rating from Vendor (vmware).

CVSS VectorNVD

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

Lifecycle Timeline

2
CVSS changed
Sep 04, 2026 - 19:37 NVD
3.1 (LOW) 3.8 (LOW)
Analysis Generated
Aug 27, 2026 - 20:53 vuln.today

DescriptionNVD

Partition interceptor may be improperly added while sending message. Spring Cloud Stream 5.0.0 - 5.0.2 Spring Cloud Stream 4.3.0 - 4.3.3 Spring Cloud Stream 4.2.0 - 4.2.6

AnalysisAI

Spring Cloud Stream's partition interceptor logic improperly inserts a partition interceptor during message sends under specific conditions, potentially routing messages to unintended partitions. Affected versions span three active release lines: 5.0.0-5.0.2, 4.3.0-4.3.3, and 4.2.0-4.2.6. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Vulnerability AssessmentAI

Exploitation Exploitation requires an authenticated user with high privileges (PR:H) - consistent with an operator or administrator role who can configure and trigger message sends in a Spring Cloud Stream application. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS vector CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:N signals a low real-world risk: exploitation requires network access, high attack complexity, high privileges, and user interaction - a combination that drastically limits practical attack surface. … 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 The primary remediation is to upgrade to a fixed version of Spring Cloud Stream as specified in the vendor advisory at https://spring.io/security/cve-2026-59305; no specific fixed version numbers were provided in the available intelligence, so consult that page for exact target versions per release train (5.0.x, 4.3.x, 4.2.x). … Detailed patch versions, workarounds, and compensating controls in full report.
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CVE-2026-59305 vulnerability details – vuln.today
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