CVE-2026-42080: PPTAgent: Arbitrary File Write via `save_generated_slides`

May 5, 2026

This vulnerability has been fixed in https://github.com/icip-cas/PPTAgent/commit/418491a9a1c02d9d93194b5973bb58df35cf9d00.

The save_generated_slides MCP tool accepts a pptx_path argument and writes the generated PPTX file to that path without any workspace restriction or path validation:

References

github.com/advisories/GHSA-pxhg-7xr2-w7xg
github.com/icip-cas/PPTAgent/commit/418491a9a1c02d9d93194b5973bb58df35cf9d00
github.com/icip-cas/PPTAgent/security/advisories/GHSA-pxhg-7xr2-w7xg
nvd.nist.gov/vuln/detail/CVE-2026-42080

Code Behaviors & Features

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