keystone vulnerabilities and fixes

Recent CVEs affecting keystone, with upgrade or downgrade steps. 6 tracked.

keystone has 6 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 6. Most recent: 2026-05-28. Highest priority: CVE-2026-43001 (score 43/100).

• CVE-2026-33551 LOW 3.5 UPGRADE An issue was discovered in OpenStack Keystone 14 through 26 before 26.1.1, 27.0.0, 28.0.0, and 29.0.0
• CVE-2026-43001 HIGH 7.9 UPGRADE An issue was discovered in OpenStack Keystone before 29.0.2
• CVE-2026-42998 MEDIUM 6.0 UPGRADE An issue was discovered in OpenStack Keystone before 29.0.2
• CVE-2026-42999 MEDIUM 6.0 UPGRADE An issue was discovered in OpenStack Keystone before 29.0.2
• CVE-2026-43000 MEDIUM 6.0 UPGRADE An issue was discovered in OpenStack Keystone before 29.0.2
• CVE-2026-44394 MEDIUM 6.0 UPGRADE An issue was discovered in OpenStack Keystone before 29.0.2

FAQ

How do I fix keystone vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is keystone being exploited right now?

None of the tracked keystone CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which keystone CVE should I patch first?

CVE-2026-43001 currently ranks highest (43/100): An issue was discovered in OpenStack Keystone before 29.0.2.

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