{"action":"Upgrade @fedify/fedify to 1.9.11 or later.","affected":[{"fixed":"2.2.3","introduced":"2.2.0"},{"fixed":"2.1.14","introduced":"2.1.0"},{"fixed":"2.0.18","introduced":"2.0.0"},{"fixed":"1.10.10","introduced":"1.10.0"},{"fixed":"1.9.11","introduced":"0"}],"component":"@fedify/fedify","cve_ids":["CVE-2026-42462"],"ecosystem":"npm","epss":0.00171,"exploited":false,"fixed_versions":["2.2.3","2.1.14","2.0.18","1.10.10","1.9.11"],"ghsa_id":"GHSA-9rfg-v8g9-9367","id":"tcs_01M5KFGWH72SNYKEV253FKZ1MC","modified_at":"2026-09-10T03:50:46.561534947Z","published_at":"2026-05-26T23:38:37Z","references":["https://osv.dev/vulnerability/GHSA-9rfg-v8g9-9367","https://github.com/fedify-dev/fedify/security/advisories/GHSA-9rfg-v8g9-9367","https://nvd.nist.gov/vuln/detail/CVE-2026-42462","https://github.com/fedify-dev/fedify","https://github.com/fedify-dev/fedify/releases/tag/2.2.3"],"severity":{"label":"high","score":7},"sources":[{"source":"osv","source_id":"GHSA-9rfg-v8g9-9367","url":"https://osv.dev/vulnerability/GHSA-9rfg-v8g9-9367"}],"summary":"Fedify has an LD-Signature Bypass via JSON-LD Named-Graph Restructuring"}