CVE-2026-108721EPSS p2.5%

CVE-2026-108721CVE-2026-108721

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.

Scoring

CVSS 5.3 ()
VectorCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N
EPSS0.13% probability of exploitation · percentile 2.5% · 2026-10-17T12:00:28Z
Last modified2026-10-16
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.