CVE-2024-38821
Authorization Bypass of Static Resources in WebFlux Applications
- Published
- Oct 28, 2024
- Updated
- Jan 24, 2025
- Assigning CNA
- vmware
- Evidence observed
- Aug 8, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:NLow · next 30 days
- Percentile
- 76.4%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
Spring WebFlux applications that have Spring Security authorization rules on static resources can be bypassed under certain circumstances. For this to impact an application, all of the following must be true: * It must be a WebFlux application * It must be using Spring's static resources support * It must have a non-permitAll authorization rule applied to the static resources support
Sources
2Proof-of-concept exploit for CVE-2024-38821, demonstrating authentication bypass in Spring Framework via path traversal to access restricted resources.
cve-2024-38821
Responsible use
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