CVE-2026-111645

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 4.0

5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

5.4CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

EPSS

0.3% chance of exploitation in the next 30 days; higher than 18% of CVEs (scores of 2026-10-25)

CWE

CWE-639

Published

2026-10-16

Modified

2026-10-19

Record from

the NVD, synced 2026-10-19

References

• https://github.com/zmister2016/MrDoc/blob/v1.1.1/app_doc/views_import.py#L165-L182
• https://hackmd.io/@hieuPenguinnn/mrdoc-import-local-doc-api-missing-authz-cross-user-publish
• https://www.vulncheck.com/advisories/mrdoc-through-1.1.1-missing-authorization-via-api-import-local-doc-endpoint
• https://hackmd.io/@hieuPenguinnn/mrdoc-import-local-doc-api-missing-authz-cross-user-publish

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