{"action":"Upgrade @angular/ssr to 19.2.21 or later.","affected":[{"fixed":"21.2.0-rc.1","introduced":"21.2.0-next.0"},{"fixed":"21.1.5","introduced":"21.0.0-next.0"},{"fixed":"20.3.17","introduced":"20.0.0-next.0"},{"fixed":"19.2.21","introduced":"19.0.0-next.0"}],"component":"@angular/ssr","cve_ids":["CVE-2026-27738"],"ecosystem":"npm","epss":0.0035,"exploited":false,"fixed_versions":["21.2.0-rc.1","21.1.5","20.3.17","19.2.21"],"ghsa_id":"GHSA-xh43-g2fq-wjrj","id":"tcs_01M5KGJ2B17Q027SVMM5AM1Z5B","modified_at":"2026-04-02T13:44:28.198028039Z","published_at":"2026-02-25T22:41:57Z","references":["https://osv.dev/vulnerability/GHSA-xh43-g2fq-wjrj","https://github.com/angular/angular-cli/security/advisories/GHSA-xh43-g2fq-wjrj","https://nvd.nist.gov/vuln/detail/CVE-2026-27738","https://github.com/angular/angular-cli/issues/32501","https://github.com/angular/angular-cli/pull/32521","https://github.com/angular/angular-cli/commit/f086eccc36d10cf01c426e35864bc32e1e292323","https://github.com/angular/angular-cli"],"severity":{"label":"medium","score":6.9},"sources":[{"source":"osv","source_id":"GHSA-xh43-g2fq-wjrj","url":"https://osv.dev/vulnerability/GHSA-xh43-g2fq-wjrj"},{"source":"nvd","source_id":"CVE-2026-27738","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27738"}],"summary":"Angular SSR has an Open Redirect via X-Forwarded-Prefix"}