{"action":"Upgrade 9router to 0.5.6 or later.","affected":[{"fixed":"0.5.6","introduced":"0"}],"component":"9router","cve_ids":["CVE-2026-56678"],"ecosystem":"npm","epss":0.0021,"exploited":false,"fixed_versions":["0.5.6"],"ghsa_id":"GHSA-6mwv-4mrm-5p3m","id":"tcs_01M5KF7J1WTNXEKXCP1EZVAABD","modified_at":"2026-09-23T18:27:55.554947492Z","published_at":"2026-09-23T18:12:30Z","references":["https://osv.dev/vulnerability/GHSA-6mwv-4mrm-5p3m","https://github.com/decolua/9router/security/advisories/GHSA-6mwv-4mrm-5p3m","https://nvd.nist.gov/vuln/detail/CVE-2026-56678","https://github.com/decolua/9router/commit/126aa244c5b51b74ab8c7594e3418fcf4437bf6f","https://github.com/decolua/9router","https://github.com/decolua/9router/releases/tag/v0.5.6"],"severity":{"label":"medium","score":6.4},"sources":[{"source":"osv","source_id":"GHSA-6mwv-4mrm-5p3m","url":"https://osv.dev/vulnerability/GHSA-6mwv-4mrm-5p3m"}],"summary":"9router: Kiro region injection allows authenticated SSRF with Authorization header forwarding"}