5.9
Medium
CVE-2026-41840 Spring WebFlux applications are vulnerable to Denial of Service (DoS) attacks when processing multipart requests
Description
Spring WebFlux applications are vulnerable to Denial of Service (DoS) attacks when processing multipart requests. 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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