{"action":"Upgrade net.sourceforge.plantuml:plantuml to 1.2026.0 or later.","affected":[{"fixed":"1.2026.0","introduced":"0"}],"component":"net.sourceforge.plantuml:plantuml","cve_ids":["CVE-2026-0858"],"ecosystem":"Maven","epss":0.00338,"exploited":false,"fixed_versions":["1.2026.0"],"ghsa_id":"GHSA-hrvf-g648-rf3m","id":"tcs_01M5N91A96KTYB3PVX22QB4EJT","modified_at":"2026-02-03T03:17:07.638419Z","published_at":"2026-01-16T06:30:15Z","references":["https://osv.dev/vulnerability/GHSA-hrvf-g648-rf3m","https://nvd.nist.gov/vuln/detail/CVE-2026-0858","https://github.com/plantuml/plantuml/commit/6826315db092d2e432aeab1a0894e08017c6e4bd","https://github.com/plantuml/plantuml","https://github.com/plantuml/plantuml/releases/tag/v1.2026.0","https://security.snyk.io/vuln/SNYK-JAVA-NETSOURCEFORGEPLANTUML-14552230"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"GHSA-hrvf-g648-rf3m","url":"https://osv.dev/vulnerability/GHSA-hrvf-g648-rf3m"}],"summary":"PlantUML is vulnerable to Stored XSS due to insufficient sanitization of interactive attributes in GraphViz diagrams"}