PatchTheCVEhttp4s vulnerabilities and fixes
Recent CVEs affecting http4s, with upgrade or downgrade steps. 1 tracked.
http4s has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2025-09-23. Highest priority: CVE-2025-59822 (score 44/100).
- CVE-2025-59822 HIGH 7.5 UPGRADE Http4s is a Scala interface for HTTP services
FAQ
How do I fix http4s 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 http4s being exploited right now?
None of the tracked http4s CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which http4s CVE should I patch first?
CVE-2025-59822 currently ranks highest (44/100): Http4s is a Scala interface for HTTP services.