PT-2026-31893 · Openstack · Openstack Skyline

Published 2026-04-10 · Updated 2026-04-11 · CVE-2026-40212

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions OpenStack Skyline versions prior to 5.0.1, 6.0.0, and 7.0.0

Description OpenStack Skyline contains a DOM-based Cross-Site Scripting (XSS) issue in the console. This is due to the unsafe use of document.write. This is relevant when administrators use the console web interface to view instance console logs.

Recommendations Update to a version newer than 5.0.0, 6.0.0, and 7.0.0

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-40212

Affected Products

Openstack Skyline

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2026-40212 · Security Note
• https://twitter.com/CVEnew/status/2042561818896511047 · Twitter Post
• https://security.openstack.org/ossa/OSSA-2026-006.html · Note
• https://twitter.com/CVEarity/status/2042990272234295773 · Twitter Post
• https://review.opendev.org/973351 · Note
• https://bugs.launchpad.net/skyline-console/+bug/2138575 · Note
• https://openwall.com/lists/oss-security/2026/04/09/30 · Note