Medium severity · published Oct 16, 2026
CVE-2026-111645
MrDoc through 1.1.1 Missing Authorization via api/import_local_doc/ Endpoint
5.4
CVSS
0.3%
EPSS
No
On KEV
Description
MrDoc through 1.1.1 contains a missing object-level authorization vulnerability in the ImportLocalDoc API that allows authenticated users to modify other users' documents and projects. Attackers can send PUT requests with arbitrary sort_data document ids to publish private drafts and reparent documents, or POST with arbitrary top_doc ids to inject documents.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 18% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MR
MrDoc · zmister2016
through 1.1.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-111645
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-111645
github.com
https://github.com/zmister2016/MrDoc/blob/v1.1.1/app_doc/views_import.py#L165-L182
hackmd.io
https://hackmd.io/@hieuPenguinnn/mrdoc-import-local-doc-api-missing-authz-cross-user-publish
www.vulncheck.com
https://www.vulncheck.com/advisories/mrdoc-through-1.1.1-missing-authorization-via-api-import-local-doc-endpoint
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