CVE-2021-42326: Debian Linux

Medium severity, CVSS 5.3. EPSS: 1.2% chance of exploitation in the next 30 days.

Redmine before 4.1.5 and 4.2.x before 4.2.3 may disclose the names of users on activity views due to an insufficient access filter.

Affected products

• Debian Debian Linux: version 9.0 only
• Redmine Redmine: before 4.1.5 (fixed in 4.1.5); from 4.2.0, before 4.2.3 (fixed in 4.2.3)

Published 2021-10-12. Last modified 2026-06-17.