CVE-2026-7159 json
douinc mkdocs-mcp-plugin server.py list_documents path traversal
published 6mo ago modified 16d ago also GHSA-wfr3-hf93-qgg3 , PYSEC-2026-2653 , EUVD-2026-25926
- cvss
- 7.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 37%
- public exploits
- 0
- none known
Summary
A vulnerability was found in douinc mkdocs-mcp-plugin up to 0.4.1. This affects the function read_document/list_documents of the file server.py. Performing a manipulation of the argument docs_dir/file_path results in path traversal. The attack is possible to be carried out remotely. The exploit has been made public and could be used. The vendor confirms, that the "fix will be published within a few days."
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Check with FencerCISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 6mo ago
Exploit prediction
0.43% chance of exploitation in the next 30 days, higher than 37% of all scored CVEs (FIRST EPSS, 2026-11-11).
Exploits and checks
- github.com https://github.com/douinc/mkdocs-mcp-plugin/issues/6 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 6.9 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P |
| CNA | 3.1 | 7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C |
| CNA | 3.0 | 7.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C |
| CNA | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:C |
| CNA | 4.0 | 5.5 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| CNA | 3.1 | 7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
| CNA | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| GitHub | 3.1 | 7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
| OSV | 3.1 | 7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | mkdocs-mcp-plugin | <=0.4.1 |
no fix listed |
Affected products
- douinc mkdocs-mcp-plugin
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
github.com
/douinc/mkdocs-mcp-plugin/issues/6
exploit, issue-tracking, web
-
vuldb.com
/vuln/359758
vdb-entry, technical-description, web
-
vuldb.com
/vuln/359758/cti
signature, permissions-required, web
-
vuldb.com
/submit/802063
third-party-advisory, web
-
github.com
/douinc/mkdocs-mcp-plugin/issues/6#issuecomment-4223718119
issue-tracking, web
-
github.com
/douinc/mkdocs-mcp-plugin/
product
-
nvd.nist.gov
/vuln/detail/CVE-2026-7159
advisory
-
github.com
/douinc/mkdocs-mcp-plugin
package
-
pypi.org
/project/mkdocs-mcp-plugin
package
-
github.com
/advisories/GHSA-wfr3-hf93-qgg3
advisory
Sources
- CVE List CVE-2026-7159
- GitHub Advisory GHSA-wfr3-hf93-qgg3
- NVD CVE-2026-7159
- OSV PYSEC-2026-2653
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.