---
id: CVE-2022-44244
aliases:
  - GHSA-4vrc-q7m6-vq7w
  - PYSEC-2026-839
title: Lin CMS vulnerable to Improper Authentication
summary: Lin CMS vulnerable to Improper Authentication
severity: medium
cvss: 6.6
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H'
vendor: lin-cms
product: lin-cms
ecosystem: pip
affected:
  - lin-cms <= 0.2.1
  - 'io.github.talelin:lin-cms-core <= 0.2.1'
published: '2022-11-10'
updated: '2026-07-07'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/GHSA-4vrc-q7m6-vq7w'
references:
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2022-44244'
  - url: 'https://gist.github.com/cai-niao98/58c97899695488bd73a73d56adf44c4c'
  - url: 'https://github.com/TaleLin/lin-cms-flask'
  - url: 'https://github.com/cai-niao98/lin-cms'
tags:
  - osv
  - pip
epss: 0.01054
epssPercentile: 0.62931
ingestedAt: '2026-07-08T18:25:45.551Z'
---

## Overview

An authentication bypass in Lin-CMS v0.2.1 allows attackers to escalate privileges to Super Administrator.

## Affected packages

- `lin-cms <= 0.2.1`
- `io.github.talelin:lin-cms-core <= 0.2.1`

## Remediation

Refer to the advisory for the patched release.