CVE-2026-40212

Description

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.

CVSS Vector

References

• https://bugs.launchpad.net/skyline-console/+bug/2138575
• https://review.opendev.org/973351
• https://security.openstack.org/ossa/OSSA-2026-006.html
• https://www.openwall.com/lists/oss-security/2026/04/09/30