xml database vulnerabilities and fixes

Recent CVEs affecting xml database, with upgrade or downgrade steps. 1 tracked.

Also searched as: xmldatabase.

xml database has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-04-21. Highest priority: CVE-2026-21999 (score 22/100).

• CVE-2026-21999 MEDIUM 5.3 UPGRADE Vulnerability in the XML Database component of Oracle Database Server

FAQ

How do I fix xml database 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 xml database being exploited right now?

None of the tracked xml database CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which xml database CVE should I patch first?

CVE-2026-21999 currently ranks highest (22/100): Vulnerability in the XML Database component of Oracle Database Server.

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