CVE-2026-108721 Open Computer Use through 1.0.0 Denylist Bypass via Case-Variant Bundle ID
Local attackers can bypass password manager denylists using case-variant bundle IDs to read accessibility trees and drive unlocked interfaces.
- 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-2026-108721?
CVE-2026-108721 is a medium-severity vulnerability in iFurySt open-computer-use, published on 11 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
Open Computer Use through 1.0.0 on macOS contains an improper case sensitivity handling vulnerability that allows local MCP callers to bypass the password-manager denylist using case-variant bundle identifiers. Attackers, including prompt-injected model turns, can pass identifiers like com.1Password.1Password to get_app_state and action tools to read accessibility trees, capture screenshots, and drive unlocked password manager interfaces.
Weakness: CWE-178
Which versions are affected by CVE-2026-108721?
How do I fix CVE-2026-108721?
No fix has been published for CVE-2026-108721 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-108721 being exploited?
There is no known exploitation of CVE-2026-108721 in the wild and no public exploit code.
Sources
Also known as GHSA-6m6f-g6c9-vp3w.