jboss web server vulnerabilities and fixes

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

Also searched as: jbosswebserver.

jboss web server has 1 tracked vulnerability, 0 critical and 1 exploited in the wild (CISA KEV). A fixed release or vendor patch exists for 1. Most recent: 2026-04-09. Highest priority: CVE-2026-34486 (score 91/100).

• CVE-2026-34486 HIGH 7.5 EXPLOITED DOWNGRADE DOWNGRADE Apache Tomcat Missing Encryption of Sensitive Data Vulnerability

FAQ

How do I fix jboss web 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 jboss web server being exploited right now?

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

Which jboss web server CVE should I patch first?

CVE-2026-34486 currently ranks highest (91/100): Apache Tomcat Missing Encryption of Sensitive Data Vulnerability.

← Back to latest CVEs