Vulnerability · Published Nov 2, 2026 · Assigned by VulnCheck
CVE-2026-120427MrDoc through 1.1.1 Missing Authorization via get_doctemp Template Read
Medium 4.3
In plain English
A medium-severity authorization bypass via user-controlled key in MrDoc from zmister2016. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.3%top 83.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| zmister2016 | MrDoc | 0 – through 1.1.1 |
Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
References
- https://github.com/zmister2016/MrDoc/commit/ec93679499fb6ea88ce868ffc9169fe025917095 patch
- https://github.com/zmister2016/MrDoc/blob/v1.1.1/app_doc/views.py#L1983-L1996 technical-description
- MrDoc v1.1.1 Release Notes release-notes
- https://hackmd.io/@hieund/mrdoc-get-doctemp-missing-owner-check-cross-user-template-read technical-description
- VulnCheck Advisory: MrDoc through 1.1.1 Missing Authorization via get_doctemp Template Read third-party-advisory