CVE-2026-14702 zcaceres markdownify-mcp webpage-to-markdown Markdownify.ts saveToTempFile random values
Insufficiently random values in temporary file generation allow local attackers to predict filenames, potentially leading to file collisions or overwrites.
- 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-2026-14702?
CVE-2026-14702 is a low-severity vulnerability in zcaceres markdownify-mcp, published on 5 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A flaw has been found in zcaceres markdownify-mcp up to 1.1.0. This impacts the function saveToTempFile of the file src/Markdownify.ts of the component webpage-to-markdown/youtube-to-markdown/bing-search-to-markdown. This manipulation causes insufficiently random values. The attack is restricted to local execution. A high degree of complexity is needed for the attack. The exploitability is said to be difficult. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance.
Which versions are affected by CVE-2026-14702?
How do I fix CVE-2026-14702?
No fix has been published for CVE-2026-14702 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-14702 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-14702 exists.
Sources
Also known as GHSA-cf27-pvxx-xmcj.