HIGH 7.7 NVD
CVE-2026-110623
Papermerge Core through 3.5.3 contains a missing authorization vulnerability in the shared nodes API that allows authenticated users to share other users' docum
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.
References
- https://github.com/papermerge/papermerge-core/blob/3.5.3/papermerge/core/features/shared_n
- https://github.com/papermerge/papermerge-core/commit/0fd469102b05b5ebeb5ee39b3f73ff76991ab
- https://github.com/papermerge/papermerge-core/issues/1290
- https://github.com/papermerge/papermerge-core/issues/1291
- https://www.vulncheck.com/advisories/papermerge-core-through-3.5.3-missing-authorization-i
This high severity vulnerability with a CVSS score of 7.7 was published on 2026-10-14 via NVD.
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