{"id":"CVE-2026-110623","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-110623","summary":"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…","details":"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.","published":"2026-10-14T15:17:14.833","modified":"2026-10-14T15:17:14.833","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/papermerge/papermerge-core/commit/0fd469102b05b5ebeb5ee39b3f73ff76991ab269","label":"papermerge/papermerge-core@0fd4691"},"references":[{"type":"WEB","url":"https://github.com/papermerge/papermerge-core/blob/3.5.3/papermerge/core/features/shared_nodes/router.py#L78-L150"},{"type":"WEB","url":"https://github.com/papermerge/papermerge-core/commit/0fd469102b05b5ebeb5ee39b3f73ff76991ab269"},{"type":"WEB","url":"https://github.com/papermerge/papermerge-core/issues/1290"},{"type":"WEB","url":"https://github.com/papermerge/papermerge-core/issues/1291"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/papermerge-core-through-3.5.3-missing-authorization-in-shared-nodes-api"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-10-14T15:17:14.833"}}