Path Traversal in Maa-Ai Maamcp
CVE-2026-81847
A vulnerability was found in MAA-AI MaaMCP up to 1.1.1.dev6+g2e4a41287. The affected element is the function save_pipeline/load_pipeline of the file pipeline_tools.py. Performing a manipulation results in path traversal. The attack can be initiated remotely. The exploit has been made public and could be used. The patch is named c93ef45cba75295eba26d9ff1ffb9202a91c6150. To fix this issue, it is recommended to deploy a patch.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (27.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 27.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.001
Affected products
- Maa-Ai Maamcp — versions 1.1.1.dev6+g2e4a41287
Weakness classification (CWE)
References
- vuldb.com/vuln/396172 (technical-description, vdb-entry)
- vuldb.com/vuln/396172/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-81847 (third-party-advisory)
- vuldb.com/submit/887255 (third-party-advisory)
- github.com/MAA-AI/MaaMCP/issues/31 (issue-tracking, exploit)
- github.com/MAA-AI/MaaMCP/issues/32 (issue-tracking)
- github.com/Zeeeepa/MaaMCP/commit/c93ef45cba75295eba26d9ff1ffb9202a91c6150 (patch)
- github.com/MAA-AI/MaaMCP/ (product)
Frequently asked questions
- What is CVE-2026-81847?
- CVE-2026-81847 is a medium-severity vulnerability in Maa-Ai Maamcp, classified under Path Traversal. CVSS score: 5.5/10. Published 2026-08-28.
- How severe is CVE-2026-81847?
- Medium severity. CVSS v3 base score is 5.5 out of 10.