Improper access control in Spring Framework - CVE-2026-41841
Published: August 28, 2026
Vulnerability identifier: #VU146169
CSH Severity: Medium
CVSS v4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-41841
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to improper access control in the static resource cache in Spring MVC and Spring WebFlux when resolving static resources. A remote attacker can request a publicly available resource with the same name as a protected resource to disclose sensitive information.
Exploitation requires several resource handlers using different resource locations, at least one protected resource handler, and a shared cache across these configurations.
Affected software
Spring Framework
How to mitigate CVE-2026-41841
Install security update from vendor's website.
Spring Framework - addressed in versions 5.3.49, 6.1.28, 6.2.18.1, 6.2.19, 7.0.7.1, 7.0.8