Ad

CVE-2026-40212

MEDIUM CVSS 3.1: 5.4 EPSS 0.03%
Updated Apr 10, 2026
OpenStack
Parameter Value
CVSS 5.4 (MEDIUM)
Affected Versions before 5.0.1
Type CWE-79 (Cross-Site Scripting (XSS))
Vendor OpenStack
Public PoC No

OpenStack Skyline before 5.0.1, 6.0.0, and 7.0.0 has a DOM-based Cross-Site Scripting (XSS) vulnerability in the console because document.write is used unsafely, which is relevant in scenarios where administrators use the console web interface to view instance console logs.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
Required
User action required

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
None
No disruption

CVSS Vector v3.1