{"action":"Upgrade @backstage/plugin-auth-backend-module-cloudflare-access-provider to 0.5.0 or later.","affected":[{"fixed":"0.5.0","introduced":"0.1.0"}],"component":"@backstage/plugin-auth-backend-module-cloudflare-access-provider","cve_ids":["CVE-2026-106457"],"ecosystem":"npm","epss":0.00354,"exploited":false,"fixed_versions":["0.5.0"],"ghsa_id":"GHSA-q333-f498-w2x7","id":"tcs_01M5KG4X220W7KS52709F1SJ7T","modified_at":"2026-10-07T20:30:04.832917243Z","published_at":"2026-10-07T20:25:25Z","references":["https://osv.dev/vulnerability/GHSA-q333-f498-w2x7","https://github.com/backstage/backstage/security/advisories/GHSA-q333-f498-w2x7","https://nvd.nist.gov/vuln/detail/CVE-2026-106457","https://github.com/backstage/backstage/commit/ed9034cacd9def3b3674f0a764fe992f751e204d","https://github.com/backstage/backstage","https://github.com/backstage/backstage/releases/tag/v1.55.0"],"severity":{"label":"medium","score":6.8},"sources":[{"source":"osv","source_id":"GHSA-q333-f498-w2x7","url":"https://osv.dev/vulnerability/GHSA-q333-f498-w2x7"}],"summary":"Backstage: Insufficient audience validation in the Cloudflare Access auth provider"}