Papermerge Core through 3.5.3 Missing Authorization in Shared Nodes API
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.
CVE-2026-110623
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-110623
papermerge-core
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://github.com/papermerge/papermerge-core",
"vendor": "papermerge",
"product": "papermerge-core",
"versions": [
{
"status": "affected",
"version": "0",
"versionType": "semver",
"lessThanOrEqual": "3.5.3"
}
],
"packageURL": "pkg:github/papermerge/papermerge-core",
"collectionURL": "https://github.com/papermerge/papermerge-core",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-110623
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #32773 · Revision 1
- Added to Heist Feed
- Publisher date