SSRF in Fancydirty Mediary-Scout
CVE-2026-125359
Mediary Scout before 2026.11.05 contains a server-side request forgery vulnerability that allows any authenticated user, including non-owner accounts, to set an arbitrary PanSou base URL via savePanSouBaseUrlAction without role checks. Attackers can trigger probePanSou() to send server-side POST requests to internal hosts and use distinct error responses as an oracle for internal host and port discovery.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- GitHub Issue #366 (issue-tracking)
- github.com/fancydirty/mediary-scout (product)
- github.com/fancydirty/mediary-scout/blob/v2026.10.29/apps/web/lib/pansou-probe… (technical-description)
- github.com/fancydirty/mediary-scout/commit/9cb9ab5eea492bc8f61f5c4d63f9c6b6800f… (patch)
- mediary-scout v2026.11.05 Release Notes (release-notes)
- VulnCheck Advisory: Mediary Scout before 2026.11.05 SSRF via PanSou Search Source Setting (third-party-advisory)
Frequently asked questions
- What is CVE-2026-125359?
- CVE-2026-125359 is a medium-severity vulnerability in Fancydirty Mediary-Scout, classified under Server-Side Request Forgery (SSRF). CVSS score: 4.3/10. Published 2026-11-09.
- How severe is CVE-2026-125359?
- Medium severity. CVSS v3 base score is 4.3 out of 10.