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Advisories

Papermerge Core through 3.5.3 Missing Authorization in Shared Nodes API

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Severity
high
Date
Affecting

  • papermerge-core <= 3.5.3

CWE
  • CWE-862 Missing Authorization
CVSS
7.7
CVSS V4 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
Credit
lighthousekeeper1212, leediay153 from Viettel Post
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.

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