What is CVE-2026-41853?

CVE-2026-41853 is a medium-severity vulnerability, classified under Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling). CVSS score: 5.3/10. Published 2026-06-09.

How severe is CVE-2026-41853?

Medium severity. CVSS v3 base score is 5.3 out of 10.

CVE-2026-41853

CVE-2026-41853

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.

Vulnerability class: HTTP Request Smuggling

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Weakness classification (CWE)

CWE-444 — Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling)

References

security@vmware.com

Frequently asked questions

What is CVE-2026-41853?: CVE-2026-41853 is a medium-severity vulnerability, classified under Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling). CVSS score: 5.3/10. Published 2026-06-09.
How severe is CVE-2026-41853?: Medium severity. CVSS v3 base score is 5.3 out of 10.