CVE-2026-110624: Papermerge Papermerge-Core

Low severity, CVSS 3.1. EPSS: 0.3% chance of exploitation in the next 30 days.

Papermerge Core through 3.5.3 contains a missing authorization vulnerability that allows authenticated users to list other groups' tags and document types by supplying a group_id parameter. Attackers who know a group's UUID can query GET /tags/all or GET /document-types/all, which skip the user_belongs_to check, to disclose metadata of groups they do not belong to.

Affected products

• Papermerge Papermerge-Core: up to and including 3.5.3

Published 2026-10-14. Last modified 2026-10-14.