Description
Papermerge Core through 3.5.3 contains a missing authorization vulnerability in the shared nodes API that allows authenticated users to share other users' documents by supplying arbitrary node UUIDs. Attackers can call POST /shared-nodes or PATCH /shared-nodes/access/{node_id} to grant themselves any role, then read, modify, or delete victims' documents and revoke existing shares.
Related CPE's
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References
CVSS impact metrics
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
7.5 · High
Information
Source identifier
Vulnerability status
Deferred
Published
2026-10-14T15:17:14.833Z
2 hours agoLast modified
2026-10-14T16:14:02.800Z
1 hour ago