{"action":"Upgrade @backstage/plugin-auth-backend to 0.27.1 or later.","affected":[{"fixed":"0.27.1","introduced":"0"}],"component":"@backstage/plugin-auth-backend","cve_ids":["CVE-2026-32235"],"ecosystem":"npm","epss":0.00235,"exploited":false,"fixed_versions":["0.27.1"],"ghsa_id":"GHSA-wqvh-63mv-9w92","id":"tcs_01M5KGFSNK4SBHTBK8GP6VXH74","modified_at":"2026-03-14T01:56:21.282129Z","published_at":"2026-03-12T14:50:59Z","references":["https://osv.dev/vulnerability/GHSA-wqvh-63mv-9w92","https://github.com/backstage/backstage/security/advisories/GHSA-wqvh-63mv-9w92","https://nvd.nist.gov/vuln/detail/CVE-2026-32235","https://github.com/backstage/backstage/commit/6042dd0c7f0706e0f473dafa92799ecf19c825ec","https://github.com/backstage/backstage"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"GHSA-wqvh-63mv-9w92","url":"https://osv.dev/vulnerability/GHSA-wqvh-63mv-9w92"}],"summary":"@backstage/plugin-auth-backend: OAuth redirect URI allowlist bypass"}