GitHub Advisoryadvisory · Maven
GHSA-cjpg-rgq5-fr37 Spring Framework Multipart Request Smuggling in Spring MVC and WebFlux
MEDIUM
Official page ↗
- Aliases
- CVE-2026-41853
- Ecosystem
- Maven
- Packages
- org.springframework:spring-webmvc, org.springframework:spring-webflux
- Severity
- Moderate
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- Weaknesses
- CWE-444
- Reviewed
- 2026-07-30
Affected packages
• Maven org.springframework:spring-webmvc: >= 7.0.0, < 7.0.8 → fixed in 7.0.8
• Maven org.springframework:spring-webflux: >= 7.0.0, < 7.0.8 → fixed in 7.0.8
• Maven org.springframework:spring-webmvc: >= 6.2.0, < 6.2.19 → fixed in 6.2.19
• Maven org.springframework:spring-webflux: >= 6.2.0, < 6.2.19 → fixed in 6.2.19
• Maven org.springframework:spring-webmvc: >= 6.1.0, <= 6.1.21 (no fix yet)
• Maven org.springframework:spring-webflux: >= 6.1.0, <= 6.1.21 (no fix yet)
• Maven org.springframework:spring-webmvc: <= 5.3.39 (no fix yet)
• Maven org.springframework:spring-webflux: <= 5.3.39 (no fix yet)
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.
Related
Alias · CVE (1)
- CVE-2026-41853 Spring MVC and WebFlux applications are vulnerable to Multipart request smuggling attacks. vulnerability
Weakness · CWE (1)
- CWE-444 Inconsistent Interpretation of HTTP Requests weakness
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-41853 advisory
- https://github.com/spring-projects/spring-framework package
- https://github.com/spring-projects/spring-framework/releases/tag/v6.2.19 web
- https://github.com/spring-projects/spring-framework/releases/tag/v7.0.8 web
- https://spring.io/security/cve-2026-41853 web