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Fencer Intel
high 7.5

CVE-2025-65512 json

A Server-Side Request Forgery (SSRF) vulnerability was discovered in the webpage-to-markdown conversion feature of markdownify-mcp v0.0.2 a…

published 11mo ago modified 5d ago also EUVD-2025-202627

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 44%
public exploits
0
none known

Summary

A Server-Side Request Forgery (SSRF) vulnerability was discovered in the webpage-to-markdown conversion feature of markdownify-mcp v0.0.2 and before. This vulnerability allows an attacker to bypass private IP restrictions through hostname-based bypass and HTTP redirect chains, enabling access to internal network services.

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CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
10mo ago

Exploit prediction

0.53% chance of exploitation in the next 30 days, higher than 44% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/Team-Off-course/MCP-Server-Vuln-Analysis/blob/main/CVE-2025-65512.md referenced PoC, tagged "exploit" by a source, unverified
  • thorn-pheasant-6d8.notion.site https://thorn-pheasant-6d8.notion.site/markdownify-mcp-Report-2a03daf7b44180908ff4eea0c2915763 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Classification

Weakness
  • CWE-918 Server-Side Request Forgery

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.