5.3
Medium
CVE-2026-41853 Spring MVC and WebFlux applications are vulnerable to Multipart request smuggling attacks
Description
Spring MVC and WebFlux applications are vulnerable to Multipart request smuggling attacks. Affected versions: Spring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0 through 5.3.48.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Spring Framework 7.0 | 7.0.0 → < 7.0.7.1 | 7.0.7.1 |
| Spring Framework 6.2 | 6.2.0 → < 6.2.18.1 | 6.2.18.1 |
| Spring Framework 6.1 | 6.1.0 → < 6.1.28 | 6.1.28 |
| Spring Framework 5.3 | 5.3.0 → < 5.3.49 | 5.3.49 |
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