Linuxsecurity
Access Escalation Vulnerability in Ubuntu Keystone Middleware
First seen 4 Feb 2026, 04:42 UTC
•
•84% similarity
•23.8
Share:
Export
Ask AI about this cluster
Analyzing cluster data...
Referenced clusters:
Something went wrong. Please try again.
Cluster AI
Ask questions about this threat cluster with AI-powered analysis.
Get Researcher $29.99/moArticle Content
Browse articles
A vulnerability in the Keystone Middleware affects Ubuntu 25.10 and 24.04 LTS. Discovered by Grzegorz Grasza, the issue arises from improper sanitization of authentication headers, potentially allowing attackers to escalate privileges or impersonate users. The flaw is linked to the processing of OAuth 2.0 tokens.
ThreatCluster AI