http server vulnerabilities and fixes

Recent CVEs affecting http server, with upgrade or downgrade steps. 1 tracked.

http server has 1 tracked vulnerability, 1 critical and 1 exploited in the wild (CISA KEV). A fixed release or vendor patch exists for 1. Most recent: 2026-01-20. Highest priority: CVE-2026-21962 (score 98/100).

• CVE-2026-21962 CRITICAL 10.0 EXPLOITED DOWNGRADE DOWNGRADE Oracle HTTP Server and Oracle Weblogic Server Proxy Plug-in Improper Access Control Vulnerability

FAQ

How do I fix http server 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 http server being exploited right now?

Yes: 1 http server CVE is on the CISA Known Exploited Vulnerabilities list, so patch it first.

Which http server CVE should I patch first?

CVE-2026-21962 currently ranks highest (98/100): Oracle HTTP Server and Oracle Weblogic Server Proxy Plug-in Improper Access Control Vulnerability.

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