Path Traversal in Yzcheng90 X-Springboot
CVE-2025-6731
A vulnerability was found in yzcheng90 X-SpringBoot up to 5.0 and classified as critical. Affected by this issue is the function uploadApk of the file /sys/oss/upload/apk of the component APK File Handler. The manipulation of the argument File leads to path traversal. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (33.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 33.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.001
Affected products
- Yzcheng90 X-Springboot — versions 5.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/ (technical-description, vdb-entry)
- vuldb.com/ (signature, permissions-required)
- vuldb.com/ (third-party-advisory)
- github.com/ShenxiuSec/cve-proofs/blob/main/POC-20250616-03.md (exploit)
- github.com/ShenxiuSec/cve-proofs/blob/main/POC-20250616-03.md (exploit)
Frequently asked questions
- What is CVE-2025-6731?
- CVE-2025-6731 is a medium-severity vulnerability in Yzcheng90 X-Springboot, classified under Path Traversal. CVSS score: 6.3/10. Published 2025-06-26.
- How severe is CVE-2025-6731?
- Medium severity. CVSS v3 base score is 6.3 out of 10.
- Is CVE-2025-6731 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.