PatchTheCVEcalendar vulnerabilities and fixes
Recent CVEs affecting calendar, with upgrade or downgrade steps. 1 tracked.
calendar has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-06-01. Highest priority: CVE-2026-45286 (score 25/100).
- CVE-2026-45286 MEDIUM 4.3 UPGRADE Nextcloud is an open source content collaboration platform
FAQ
How do I fix calendar 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 calendar being exploited right now?
None of the tracked calendar CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which calendar CVE should I patch first?
CVE-2026-45286 currently ranks highest (25/100): Nextcloud is an open source content collaboration platform.