CVE-2026-19372 Handwriting-OCR handwriting-ocr-mcp-server upload_document index.ts fs.readFileSync path traversal
A path traversal vulnerability in the upload_document function allows local attackers to read arbitrary files via manipulated arguments.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-19372?
CVE-2026-19372 is a medium-severity path traversal vulnerability in handwriting-ocr-mcp-server, published on 9 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A security flaw has been discovered in Handwriting-OCR handwriting-ocr-mcp-server 0.1.0. Affected by this vulnerability is the function fs.readFileSync of the file src/index.ts of the component upload_document. Performing a manipulation of the argument File results in path traversal. Attacking locally is a requirement. The project was informed of the problem early through an issue report but has not responded yet.
Weakness: CWE-22
Which versions are affected by CVE-2026-19372?
How do I fix CVE-2026-19372?
No fix has been published for CVE-2026-19372 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-2026-19372 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-19372 exists.
Sources
Also known as GHSA-pxv6-pv74-gcg3.