CVE-2026-100391

HIGH 8.2

MediaFlow Proxy through 2.4.9 Server-Side Request Forgery via Incomplete Validation

CVSS Score

8.2

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-918
Vendor	mhdzumair
Product	mediaflow-proxy
Published	Sep 25, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

None

Affected Versions

mhdzumair / mediaflow-proxy

0 ≤ 2.4.9

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/mhdzumair/mediaflow-proxy/commit/99f4af1153d4766420a098a232183cba1efdc560 github.com: https://github.com/mhdzumair/mediaflow-proxy/blob/2.4.9/mediaflow_proxy/routes/proxy.py#L532-L569 github.com: https://github.com/mhdzumair/mediaflow-proxy vulncheck.com: https://www.vulncheck.com/advisories/mediaflow-proxy-through-2.4.9-server-side-request-forgery-via-incomplete-validation

Credits

Dilshod Gofurov