cobalt vulnerabilities and fixes
Recent CVEs affecting cobalt, with upgrade or downgrade steps. 3 tracked.
cobalt has 3 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 3. Most recent: 2026-05-12. Highest priority: CVE-2025-65086 (score 29/100).
- CVE-2025-65086 HIGH 7.8 UPGRADE UPGRADE An Out-of-Bounds Write vulnerability is present in Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, and Cobalt Sha
- CVE-2025-65087 HIGH 7.8 UPGRADE UPGRADE An Out-of-Bounds Read vulnerability is present in Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, and Cobalt Shar
- CVE-2025-65088 HIGH 7.8 UPGRADE UPGRADE An Out-of-Bounds Read vulnerability is present in Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, and Cobalt Shar
FAQ
How do I fix cobalt 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 cobalt being exploited right now?
None of the tracked cobalt CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which cobalt CVE should I patch first?
CVE-2025-65086 currently ranks highest (29/100): An Out-of-Bounds Write vulnerability is present in Ashlar-Vellum Cobalt, Xenon, Argon, Lithium, and Cobalt Sha.