CVE-2026-110623
highPapermerge Core through 3.5.3 contains a missing authorization vulnerability in the shared nodes API that allows authenticated users to share other users' docu…
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.
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/papermerge/papermerge-core/blob/3.5.3/papermerge/core/features/shared_n... disclosure@vulncheck.com
- https://github.com/papermerge/papermerge-core/commit/0fd469102b05b5ebeb5ee39b3f73ff76991ab... disclosure@vulncheck.com
- https://github.com/papermerge/papermerge-core/issues/1290 disclosure@vulncheck.com
- https://github.com/papermerge/papermerge-core/issues/1291 disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/papermerge-core-through-3.5.3-missing-authorization-i... disclosure@vulncheck.com