PatchTheCVEprefect vulnerabilities and fixes
Recent CVEs affecting prefect, with upgrade or downgrade steps. 1 tracked.
prefect has 1 tracked vulnerability, 1 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-06-20. Highest priority: CVE-2026-5366 (score 56/100).
- CVE-2026-5366 CRITICAL 9.9 DOWNGRADE Prefect version 3.6.23 is vulnerable to remote code execution due to improper handling of user-controlled inpu
FAQ
How do I fix prefect 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 prefect being exploited right now?
None of the tracked prefect CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which prefect CVE should I patch first?
CVE-2026-5366 currently ranks highest (56/100): Prefect version 3.6.23 is vulnerable to remote code execution due to improper handling of user-controlled inpu.