SSRF in Mhdzumair Mediaflow-Proxy
CVE-2026-100391
MediaFlow Proxy through 2.4.9 contains a server-side request forgery vulnerability in the /proxy routes due to missing and incomplete destination validation in the d query parameter. Remote attackers can supply arbitrary internal URLs including loopback and cloud metadata endpoints to read full responses from the proxy server.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (23.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 23.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
Weakness classification (CWE)
References
- Patch Commit (patch)
- github.com/mhdzumair/mediaflow-proxy/blob/2.4.9/mediaflow_proxy/routes/proxy.py (technical-description)
- github.com/mhdzumair/mediaflow-proxy (product)
- VulnCheck Advisory: MediaFlow Proxy through 2.4.9 Server-Side Request Forgery via Incomplete Validation (third-party-advisory)
Frequently asked questions
- What is CVE-2026-100391?
- CVE-2026-100391 is a high-severity vulnerability in Mhdzumair Mediaflow-Proxy, classified under Server-Side Request Forgery (SSRF). CVSS score: 8.2/10. Published 2026-09-25.
- How severe is CVE-2026-100391?
- High severity. CVSS v3 base score is 8.2 out of 10.