Critical (9.8) in atlassian companion. EPSS 25% chance of exploitation in the next 30 days.
Certain versions of the Atlassian Companion App for MacOS were affected by a remote code execution vulnerability. An attacker could utilize WebSockets to bypass Atlassian Companion’s blocklist and MacOS Gatekeeper to allow execution of code.
Severity
CVSS 3.1
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
25% chance of exploitation in the next 30 days; higher than 97% of CVEs (scores of 2026-10-31)