CVE-2026-110623

HighCVSS 7.5/10Last modified Oct 16, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-862

Affected software

Vendor	Product	Versions
papermerge	papermerge-core	<= 3.5.3

References

Timeline

Published: Oct 14, 2026
Last modified: Oct 16, 2026
NVD status: Deferred

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