CVE-2024-38816 | CVE-2024-38816: Path traversal vulnerability in functional web frameworks

Applications serving static resources through the functional web frameworks WebMvc.fn or WebFlux.fn are vulnerable to path traversal attacks. An attacker can craft malicious HTTP requests and obtain any file on the file system that is also accessible to the process in which the Spring application is running. Specifically, an application is vulnerable when both of the following are true: * the web application uses RouterFunctions to serve static resources * resource handling is explicitly configured with a FileSystemResource location However, malicious requests are blocked and rejected when any of the following is true: * the Spring Security HTTP Firewall https://docs.spring.io/spring-security/reference/servlet/exploits/firewall.html  is in use * the application runs on Tomcat or Jetty

Published: 2024-09-13 Last update: 2026-04-15 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2024-38816 is rated High Risk (65.1/100): CVSS High severity, with high exploitation likelihood (EPSS 93.89%, 100th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2024-38816

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-03-16 93.77% 93.89% +0.12%
2 2026-02-02 93.75% 93.77% +0.03%
3 2026-01-16 93.75%

Full EPSS history (29 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2024-38816

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 3.6 [email protected]

Weakness enumeration for CVE-2024-38816

GitHub Security Advisory for CVE-2024-38816

GHSA-cx7f-g6mp-7hqm · Severity: high · Ecosystem: maven — Path traversal vulnerability in functional web frameworks

OS Trackers for CVE-2024-38816

vendor priority summary link
debian unimportant CVE-2024-38816 unimportant priority: Debian including 1 source packages (libspring-java), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): open 5. https://security-tracker.debian.org/tracker/CVE-2024-38816
redhat high https://access.redhat.com/security/cve/CVE-2024-38816
ubuntu medium CVE-2024-38816 medium priority: Ubuntu including 1 source packages (libspring-java), 10 status rows across 10 suites (bionic, focal, jammy, noble, oracular, plucky, questing, trusty, upstream, xenial): needs-triage 8, ignored 2. https://ubuntu.com/security/CVE-2024-38816

Affected software / configurations for CVE-2024-38816

Vendor Product Version Raw CPE
No affected products in dataset.

References for CVE-2024-38816

cvelogic Threat Intelligence