{"action":"Upgrade ci4-cms-erp/ci4ms to 0.31.0.0 or later.","affected":[{"fixed":"0.31.0.0","introduced":"0"}],"component":"ci4-cms-erp/ci4ms","cve_ids":["CVE-2026-27599"],"ecosystem":"Packagist","epss":0.00358,"exploited":false,"fixed_versions":["0.31.0.0"],"ghsa_id":"GHSA-66m2-v9v9-95c3","id":"tcs_01M5KEWRJFDED18F4H0F3V32ZJ","modified_at":"2026-05-05T15:56:12.399482Z","published_at":"2026-03-30T16:19:05Z","references":["https://osv.dev/vulnerability/GHSA-66m2-v9v9-95c3","https://github.com/ci4-cms-erp/ci4ms/security/advisories/GHSA-66m2-v9v9-95c3","https://nvd.nist.gov/vuln/detail/CVE-2026-27599","https://github.com/ci4-cms-erp/ci4ms","https://mega.nz/file/KRNhUI6Q#NGC3Bow3RlnmdU1H2bGu1BGbpfIc-awi6IlvTp08V1s"],"severity":{"label":"critical","score":9.1},"sources":[{"source":"osv","source_id":"GHSA-66m2-v9v9-95c3","url":"https://osv.dev/vulnerability/GHSA-66m2-v9v9-95c3"}],"summary":"ci4-cms-erp/ci4ms: System Settings (Mail Settings) Full Platform Compromise & Full Account Takeover for All-Roles & Privilege-Escalation via Stored DOM XSS"}