Path Traversal in Smallsrv Small HTTP
CVE-2025-41368
Problem in the Small HTTP Server v3.06.36 service. An authenticated path traversal vulnerability in '/' allows remote users to bypass the intended restrictions of SecurityManager and display any file if they have the appropriate permissions outside the document root configured on the server.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.006 (47.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Smallsrv Small HTTP — versions 3.06.36
- Smallsrv Small HTTP Server
Weakness classification (CWE)
References
- www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-small-http-… (Third Party Advisory, patch)
Frequently asked questions
- What is CVE-2025-41368?
- CVE-2025-41368 is a high-severity vulnerability in Smallsrv Small HTTP, classified under Path Traversal. CVSS score: 8.1/10. Published 2026-03-26.
- How severe is CVE-2025-41368?
- High severity. CVSS v3 base score is 8.1 out of 10.