Vulnerability · Published May 4, 2026 · Assigned by VulDB

CVE-2026-7728ryanjoachim mcp-rtfm MCP update_doc path traversal

Medium 6.3

In plain English

A medium-severity path traversal in mcp-rtfm from ryanjoachim. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 22% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium

Exploit odds (30 days)0.3%top 77.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability was identified in ryanjoachim mcp-rtfm 0.1.0. This vulnerability affects the function get_doc_content/read_doc/update_doc of the component MCP Interface. Such manipulation of the argument docFile leads to path traversal. The attack can be launched remotely. The exploit is publicly available and might be used. The name of the patch is e6f0686fc36012f78236e7fed172c81444904b0b. It is best practice to apply a patch to resolve this issue.

Affected products (as reported)

Vendor	Product	Versions
ryanjoachim	mcp-rtfm	0.1.0

Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

References

VDB-360903 | ryanjoachim mcp-rtfm MCP update_doc path traversal vdb-entry, technical-description
VDB-360903 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #807538 | ryanjoachim mcp-rtfm 0.1.0, Commit 054fe515735cb477d4640c20930c04b243e443fc Path Traversal third-party-advisory
https://github.com/ryanjoachim/mcp-rtfm/issues/5 issue-tracking
https://github.com/BruceJqs/public_exp/issues/35 exploit, issue-tracking
https://github.com/ryanjoachim/mcp-rtfm/commit/e6f0686fc36012f78236e7fed172c81444904b0b patch
https://github.com/ryanjoachim/mcp-rtfm/ product