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Vulnerabilities

Vulnerability · CVE-2026-59313

Spring MVC applications using the functional web framework are vulnerable to stream corruption when using Server-Sent Events (SSE).

Published Aug 27, 2026 · catalog updated Aug 31, 2026 · spring framework

Last checked Nov 8, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-59313. EPSS is 0.56%. Act only if a listed version of spring framework is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Critical9.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.56%
Remediation
Version ranges on file
Affected products
cpe vmware/spring framework

Spring MVC applications using the functional web framework are vulnerable to stream corruption when using Server-Sent Events (SSE). Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19 Spring Framework 6.1.0 - 6.1.28 Spring Framework 6.0.0 - 6.0.30 Spring Framework 5.3.0 - 5.3.49

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe vmware/spring framework>= 5.3.0, <= 5.3.49
  • cpe vmware/spring framework>= 6.0.0, <= 6.0.30
  • cpe vmware/spring framework>= 6.1.0, <= 6.1.28
  • cpe vmware/spring framework>= 6.2.0, <= 6.2.19
  • cpe vmware/spring framework>= 7.0.0, <= 7.0.8

How to fix CVE-2026-59313

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-59313. EPSS is 0.56%. Act only if a listed version of spring framework is installed.

Which versions are affected?

Compare what you have installed with vmware/spring framework >= 5.3.0, <= 5.3.49; vmware/spring framework >= 6.0.0, <= 6.0.30; vmware/spring framework >= 6.1.0, <= 6.1.28; vmware/spring framework >= 6.2.0, <= 6.2.19. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-93. EPSS 0.56%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Spring securityVMware security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 27, 2026 · Monitored products — high

    Detected

    Spring MVC applications using the functional web framework are vulnerable to stream corruption when using Server-Sent Events (SSE). Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19 Spring Framework 6.1.0 - 6.1.28 Spring Framework 6.0.0 - 6.0.30 Spring Framework 5.3.0 - 5.3.49

  2. Aug 31, 2026 · Monitored products — high

    Updated

    Spring MVC applications using the functional web framework are vulnerable to stream corruption when using Server-Sent Events (SSE). Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19 Spring Framework 6.1.0 - 6.1.28 Spring Framework 6.0.0 - 6.0.30 Spring Framework 5.3.0 - 5.3.49

Sources

  • CVE.orgVulnerability recordCVE-2026-59313

    Official CVE identifier

    cve.org
  • Monitored products — highVendor advisoryCVE-2026-59313

    Spring MVC applications using the functional web framework are vulnerable to stream corruption when using Server-Sent Events (SSE). Spring Framework 7.0.0 - 7.0.8 Spring Framework 6.2.0 - 6.2.19 Spring Framework 6.1.0 - 6.1.28 Spring Framework 6.0.0 - 6.0.30 Spring Framework 5.3.0 - 5.3.49

    nvd.nist.gov

References

Freshness

Last verified in this catalog Nov 7, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgNov 8, 2026
  • Monitored products — highNov 7, 2026