CVE-2026-81847 MAA-AI MaaMCP pipeline_tools.py load_pipeline path traversal
Remote attackers can exploit a path traversal vulnerability in MaaMCP's pipeline tools to read or modify arbitrary files.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-81847?
CVE-2026-81847 is a medium-severity path traversal vulnerability in MAA-AI MaaMCP, published on 27 Aug 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-22
Which versions are affected by CVE-2026-81847?
How do I fix CVE-2026-81847?
No fix has been published for CVE-2026-81847 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-81847 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-81847 exists.
Sources
Also known as GHSA-gq99-8fvp-vvg9.