Incorrect Authorization Affecting lemur package, versions [,1.9.2)
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applicationsSnyk Learn
Learn about Incorrect Authorization vulnerabilities in an interactive lesson.
Start learning- Snyk IDSNYK-PYTHON-LEMUR-17661118
- published28 Jun 2026
- disclosed25 Jun 2026
- creditsour-exploit
Introduced: 25 Jun 2026
CVE-2026-55163 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade lemur to version 1.9.2 or higher.
Overview
lemur is a Certificate management and orchestration service
Affected versions of this package are vulnerable to Incorrect Authorization in the PUT /api/1/roles/<id> process. An attacker can modify role membership and rename roles by sending crafted requests to the affected endpoint while being a member of the target role.