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TI-2026-29023 Aliases CVE-2026-40212GHSA-h7hj-cr59-59c2

Cross-site scripting in OpenStack Skyline

Priority LOW 24CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00222 12th percentileScored 2026-11-07
Fix Fixed Skyline (OpenStack): 5.0.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
OpenStackSkylinebefore 5.0.1; 6.0.0; 7.0.05.0.1Patch availableCNA
  • Skyline VendorOpenStack Affected before 5.0.1; 6.0.0; 7.0.0 Fixed in 5.0.1 Patch available CNA

Remediation

  • Fix · CNA Skyline (OpenStack) Fixed in 5.0.1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-40212
  2. 2026-10-03 Alias added: GHSA-h7hj-cr59-59c2

References

  • TI-2026-78562 Incorrect authorization in OpenStack Manila share operations CVSS 3.1CRITICAL 9.9
  • TI-2026-63467 Code injection in OpenStack Octavia CVSS 4.0CRITICAL 9.4
  • TI-2017-13226 The tcpmss_mangle_packet function in net/netfilter/xt_TCPMSS.c in the Linux kernel before… CVSS 3.1CRITICAL 9.8
  • TI-2026-69629 OpenStack Mistral flaw lets users change other projects' resources CVSS 4.0HIGH 7.2
  • TI-2026-69623 Command injection in OpenStack Mistral std.ssh_proxied action CVSS 4.0HIGH 8.7
  • TI-2022-17779 Improper privilege management in OpenStack CVSS 3.1HIGH 8.8
See all 332 →

Sources