PatchTheCVEplantuml vulnerabilities and fixes
Recent CVEs affecting plantuml, with upgrade or downgrade steps. 1 tracked.
plantuml has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-01-16. Highest priority: CVE-2026-0858 (score 28/100).
- CVE-2026-0858 MEDIUM 6.1 UPGRADE Versions of the package net.sourceforge.plantuml:plantuml before 1.2026.0 are vulnerable to Stored XSS due to
FAQ
How do I fix plantuml 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 plantuml being exploited right now?
None of the tracked plantuml CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which plantuml CVE should I patch first?
CVE-2026-0858 currently ranks highest (28/100): Versions of the package net.sourceforge.plantuml:plantuml before 1.2026.0 are vulnerable to Stored XSS due to .