CVE-2026-111350 [MEDIUM] – Papermark through 0.22.0 contains a missing authorization vulnerability in the data room v

Papermark through 0.22.0 contains a missing authorization vulnerability in the data room viewer group API that allows authenticated users to delete other teams’ viewer groups and share links. Attackers who know a victim team’s data room and group identifiers can send DELETE requests, read group links, or rewrite group document permissions across teams.