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.
History

Tue, 10 Nov 2026 21:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 14 Oct 2026 14:30:00 +0000

Type Values Removed Values Added
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.
Title Papermerge Core through 3.5.3 Missing Authorization in Shared Nodes API
First Time appeared Papermerge
Papermerge papermerge
Weaknesses CWE-862
CPEs cpe:2.3:a:papermerge:papermerge:*:*:*:*:*:*:*:*
Vendors & Products Papermerge
Papermerge papermerge
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 7.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-10-14T14:16:59.957Z

Updated: 2026-10-16T17:16:11.037Z

Reserved: 2026-10-14T13:07:27.788Z

Link: CVE-2026-110623

cve-icon Vulnrichment

Updated: 2026-10-16T16:35:43.735Z

cve-icon NVD

Status : Deferred

Published: 2026-10-14T15:17:14.833

Modified: 2026-10-16T18:17:32.670

Link: CVE-2026-110623

cve-icon Redhat

No data.