Answer in brief
CVE-2026-59313 records a Critical severity (CVSS 9.8) vulnerability in Server Sent Event stream corruption in Spring MVC functional web framework. The current sources do not mark it as known exploited. The current feed maps Spring/Spring Framework (generic), Spring/Spring Framework (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 9.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Spring/Spring Framework (generic), Spring/Spring Framework (generic). Check affected ranges and fixed versions before updating.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:a:vmware:spring_framework:*:*:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| Spring/Spring Frameworkgeneric | 7.0.0 || 6.2.0 || 6.1.0 || 6.0.0 || 5.3.0 | Not reported |
| Spring/Spring Frameworkgeneric | >=7.0.0 <=7.0.8 || >=6.2.0 <=6.2.19 || >=6.1.0 <=6.1.28 || >=6.0.0 <=6.0.30 || >=5.3.0 <=5.3.49 | Not reported |
Published upstream
Aug 27, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 31, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 27, 2026
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
Quoted source text, attributed separately from HOL analysis.