Medium (4.3) in open-xchange ox app suite. EPSS 0.5% chance of exploitation in the next 30 days.
OX App Suite before backend 7.10.6-rev37 allows authenticated users to bypass access controls (for reading contacts) via a move to their own address book.
Severity
CVSS 3.1
4.3 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS
0.5% chance of exploitation in the next 30 days; higher than 45% of CVEs (scores of 2026-10-31)