CVE-2026-108721

EUVD-2026-96995
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.3 MEDIUM
LOCAL
HIGH
NONE
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 2.42%
Common Weakness Enumeration
References
https://github.com/iFurySt/open-codex-computer-use
https://github.com/iFurySt/open-codex-computer-use/blob/8a3a7dec06402db2d760368cb24676ad3ba42c49/packages/OpenComputerUseKit/Sources/OpenComputerUseKit/AppDiscovery.swift#L144-L198
https://github.com/iFurySt/open-codex-computer-use/blob/8a3a7dec06402db2d760368cb24676ad3ba42c49/packages/OpenComputerUseKit/Sources/OpenComputerUseKit/AppDiscovery.swift#L554-L572
https://hackmd.io/@haind/rJHI_S6IiMl
https://www.vulncheck.com/advisories/open-computer-use-through-1.0.0-denylist-bypass-via-case-variant-bundle-id