CVE-2026-108603 slide-maker through 5.8.0 Path Traversal via generate_images_openai.py
Attackers can write image files to arbitrary locations outside the output directory by manipulating manifest filenames in slide-maker.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-108603?
CVE-2026-108603 is a medium-severity path traversal vulnerability in addsumtech slide-maker, published on 10 Oct 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
slide-maker through 5.8.0 contains a path traversal vulnerability in generate_images_openai.py that allows attackers to write image files outside the output directory via manifest-supplied filenames. Attackers can influence deck source material so the image prompt manifest contains ../ or symlinked filenames, creating directories and overwriting existing files at arbitrary paths.
Weakness: CWE-22
Which versions are affected by CVE-2026-108603?
How do I fix CVE-2026-108603?
No fix has been published for CVE-2026-108603 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-2026-108603 being exploited?
There is no known exploitation of CVE-2026-108603 in the wild and no public exploit code.
Sources
Also known as GHSA-xc29-5cqv-36w6.