CVE-2026-40212

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Summary

CVECVE-2026-40212
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-10 08:16:25 UTC
Updated2026-04-10 16:16:32 UTC
DescriptionOpenStack 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.

Risk And Classification

Primary CVSS: v3.1 5.4 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.000290000 probability, percentile 0.081640000 (date 2026-04-10)

Problem Types: CWE-79 | CWE-79 CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary5.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
3.1CNACVSS5.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA OpenStack Skyline affected 5.0.1 semver Not specified
CNA OpenStack Skyline affected 6.0.0 semver Not specified
CNA OpenStack Skyline affected 7.0.0 semver Not specified

References

ReferenceSourceLinkTags
bugs.launchpad.net/skyline-console/+bug/2138575 [email protected] bugs.launchpad.net
www.openwall.com/lists/oss-security/2026/04/09/30 [email protected] www.openwall.com
security.openstack.org/ossa/OSSA-2026-006.html [email protected] security.openstack.org
review.opendev.org/973351 [email protected] review.opendev.org
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