{"action":"Upgrade mermaid to 10.9.8 or later.","affected":[{"fixed":"11.16.1","introduced":"11.0.0-alpha.1"},{"fixed":"10.9.8","introduced":"0"}],"component":"mermaid","cve_ids":["CVE-2026-71438"],"ecosystem":"npm","epss":0.00353,"exploited":false,"fixed_versions":["11.16.1","10.9.8"],"ghsa_id":"GHSA-c4c3-pg64-4m4v","id":"tcs_01M5KFHPFS5Q44JAAX01TQTR42","modified_at":"2026-09-10T03:51:13.780856724Z","published_at":"2026-08-06T19:59:10Z","references":["https://osv.dev/vulnerability/GHSA-c4c3-pg64-4m4v","https://github.com/mermaid-js/mermaid/security/advisories/GHSA-c4c3-pg64-4m4v","https://github.com/mermaid-js/mermaid/pull/8022","https://github.com/mermaid-js/mermaid/commit/2cd6dcf735533b323507e3e889ffdea870540b43","https://github.com/mermaid-js/mermaid/commit/c34b07a0815842327e70794d69b0c8c5a1e2a956","https://github.com/mermaid-js/mermaid","https://github.com/mermaid-js/mermaid/releases/tag/mermaid%4011.16.1","https://github.com/mermaid-js/mermaid/releases/tag/v10.9.8"],"severity":{"label":"low"},"sources":[{"source":"osv","source_id":"GHSA-c4c3-pg64-4m4v","url":"https://osv.dev/vulnerability/GHSA-c4c3-pg64-4m4v"}],"summary":"Mermaid configuration APIs allow prototype pollution"}