async-http-client vulnerabilities and fixes
Recent CVEs affecting async-http-client, with upgrade or downgrade steps. 1 tracked.
Also searched as: async http client.
async-http-client has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-06-05. Highest priority: CVE-2026-45300 (score 39/100).
- CVE-2026-45300 HIGH 7.4 UPGRADE The AsyncHttpClient (AHC) library allows Java applications to easily execute HTTP requests and asynchronously
FAQ
How do I fix async-http-client 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 async-http-client being exploited right now?
None of the tracked async-http-client CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which async-http-client CVE should I patch first?
CVE-2026-45300 currently ranks highest (39/100): The AsyncHttpClient (AHC) library allows Java applications to easily execute HTTP requests and asynchronously .