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PatchSiren cyber security CVE debrief

CVE-2026-59315 Spring CVE debrief

The CVE-2026-59315 vulnerability affects Spring Cloud Config Monitor, allowing Denial of Service attacks via malicious payloads. This issue impacts various versions of Spring Cloud Config, including 5.0.0 - 5.0.4, 4.3.0 - 4.3.4, 4.0.0 - 4.2.8, and 3.1.14 and earlier. Security teams and administrators should be aware of this vulnerability and take necessary defensive actions to mitigate potential risks.

Vendor
Spring
Product
Spring Cloud Config
CVSS
MEDIUM 5.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-27
Original CVE updated
2026-08-31
Advisory published
2026-08-27
Advisory updated
2026-08-31

Who should care

Security teams, administrators responsible for Spring Cloud Config deployments, and vulnerability management teams should be aware of this vulnerability. They should take necessary defensive actions to mitigate potential risks and review security configurations to prevent exploitation.

Technical summary

CVE-2026-59315 is a Denial of Service vulnerability in Spring Cloud Config Monitor. Malicious payloads can cause issues with affected Spring Cloud Config versions. The vulnerability impacts multiple versions, including 5.0.0 - 5.0.4, 4.3.0 - 4.3.4, 4.0.0 - 4.2.8, and 3.1.14 and earlier. Administrators should verify affected deployments and apply vendor patches or updates.

Defensive priority

Medium-priority defensive actions are recommended due to the Denial of Service vulnerability in Spring Cloud Config Monitor.

Recommended defensive actions

  • Inventory and verify affected Spring Cloud Config versions
  • Apply vendor patches or updates
  • Monitor for malicious payloads
  • Implement compensating controls
  • Review and update security configurations

Evidence notes

The CVE-2026-59315 record indicates that Spring Cloud Config Monitor is susceptible to Denial of Service attacks via malicious payloads. Affected versions include Spring Cloud Config 5.0.0 - 5.0.4, 4.3.0 - 4.3.4, 4.0.0 - 4.2.8, and 3.1.14 and earlier. Evidence is based on official CVE Program and NVD records.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-59315 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-59315

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-59315 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-59315

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.