CVE-2026-109206

LogicalDOC Community Edition through version 9.3 is vulnerable to username enumeration via the AvatarServlet (/avatar). The root cause is a lack of session validation , allowing unauthenticated attackers to provide usernames or numeric IDs in the userId parameter. By comparing 1x1 transparent ima...

EUVD-2026-97439

LogicalDOC Community Edition through 9.3 contains a username enumeration vulnerability that allows unauthenticated attackers to identify valid accounts because the AvatarServlet /avatar performs no session validation. Attackers can supply usernames or numeric IDs in the userId parameter and compa...