CVE-2026-110623
HIGH
CVSS 7.5
Published: 2026-10-14
Modified: 2026-10-14
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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.
Quick Facts
| CVE ID | CVE-2026-110623 |
| CVSS Score | 7.5 |
| Vector | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Published | 2026-10-14 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |
References
- https://github.com/papermerge/papermerge-core/blob/3.5.3/pap…
- https://github.com/papermerge/papermerge-core/commit/0fd4691…
- https://github.com/papermerge/papermerge-core/issues/1290
- https://github.com/papermerge/papermerge-core/issues/1291
- https://www.vulncheck.com/advisories/papermerge-core-through…