CVE-2026-110624
Papermerge Core through 3.5.3 Missing Authorization via /tags/all and /document-types/all
CVSS Score
3.1
EPSS Score
0.0%
EPSS Percentile
0th
Papermerge Core through 3.5.3 contains a missing authorization vulnerability that allows authenticated users to list other groups' tags and document types by supplying a group_id parameter. Attackers who know a group's UUID can query GET /tags/all or GET /document-types/all, which skip the user_belongs_to check, to disclose metadata of groups they do not belong to.
| CWE | CWE-862 |
| Vendor | papermerge |
| Product | papermerge-core |
| Published | Oct 14, 2026 |
| Last Updated | Oct 14, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Affected Versions
papermerge / papermerge-core
0 ≤ 3.5.3
References
github.com: https://github.com/papermerge/papermerge-core/issues/1291 github.com: https://github.com/papermerge/papermerge-core/blob/3.5.3/papermerge/core/features/tags/router.py#L39-L64 github.com: https://github.com/papermerge/papermerge-core/blob/3.5.3/papermerge/core/features/document_types/router.py#L37-L62 github.com: https://github.com/papermerge/papermerge-core/commit/0fd469102b05b5ebeb5ee39b3f73ff76991ab269 vulncheck.com: https://www.vulncheck.com/advisories/papermerge-core-through-3.5.3-missing-authorization-via-tags-all-and-document-types-all
Credits
lighthousekeeper1212 🔍 leediay153 from Viettel Post