CVE-2026-120427

Description

MrDoc through 1.1.1 contains a missing authorization vulnerability in the get_doctemp view that allows authenticated users to read other users' document templates. Attackers can enumerate the sequential doctemp_id POST parameter to retrieve the private template content of every user on the instance.

References

• https://github.com/zmister2016/MrDoc/blob/v1.1.1/app_doc/views.py#L1983-L1996
• https://github.com/zmister2016/MrDoc/commit/ec93679499fb6ea88ce868ffc9169fe025917095
• https://github.com/zmister2016/MrDoc/releases/tag/v1.1.1
• https://hackmd.io/@hieund/mrdoc-get-doctemp-missing-owner-check-cross-user-template-read
• https://www.vulncheck.com/advisories/mrdoc-through-1.1.1-missing-authorization-via-get-doctemp-template-read