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Spring Cloud Function CVE-2026-59300

| EUVDEUVD-2026-67186 LOW
Insertion of Sensitive Information into Log File (CWE-532)
2026-08-27 vmware GHSA-qf3f-pjrj-5m4x
Java Information Disclosure Spring Spring Cloud Function
3.5
CVSS 3.1 · NVD

Severity by source

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

Network vector retained as log stores are often remotely accessible; integrity impact removed since passive logging disclosure does not directly modify data.

3.1 AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:N
4.0 AV:N/AC:H/AT:P/PR:H/UI:P/VC:L/VI:N/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
Required
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

2
CVSS changed
Sep 02, 2026 - 00:52 NVD
3.1 (LOW) 3.5 (LOW)
Analysis Generated
Aug 27, 2026 - 20:52 vuln.today

DescriptionNVD

Potential for logging sensitive data in Spring Cloud Function AWS. Spring Cloud Function 5.0.0 - 5.0.3 Spring Cloud Function 4.3.0 - 4.3.4 Spring Cloud Function 4.2.0 - 4.2.7 Spring Cloud Function 3.2.16 and earlier

AnalysisAI

Spring Cloud Function's AWS adapter component may inadvertently write sensitive data to application logs, creating an information disclosure exposure across a wide range of maintained version branches (3.x through 5.x). The CVSS score of 3.1 reflects genuinely low severity - exploitation requires high privileges and high attack complexity - but the risk in regulated or multi-tenant environments is elevated if log stores are accessible to unauthorized parties or if sensitive data (credentials, payloads, tokens) persists in cloud-native logging services such as AWS CloudWatch. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Vulnerability AssessmentAI

Exploitation Exploitation is conditional on the application specifically using the Spring Cloud Function AWS adapter - deployments targeting other runtimes are not affected. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 base score of 3.1 (AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:N) accurately reflects a low-priority finding for most environments: exploiting this requires an attacker who already holds high privileges, faces high attack complexity, and requires user interaction - a constellation that dramatically limits opportunistic or automated exploitation. … 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 Patch available per vendor advisory at https://spring.io/security/cve-2026-59300 - exact fixed version numbers are not specified in the available input data, so organizations must consult that advisory directly to identify the specific target upgrade version within their branch (5.0.x, 4.3.x, 4.2.x, or 3.2.x). … Detailed patch versions, workarounds, and compensating controls in full report.
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CVE-2026-59300 vulnerability details – vuln.today
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