{"action":"Upgrade @hey-api/openapi-ts to 0.97.3 or later.","affected":[{"fixed":"0.97.3","introduced":"0"}],"component":"@hey-api/openapi-ts","cve_ids":["CVE-2026-48819"],"ecosystem":"npm","epss":0.00272,"exploited":false,"fixed_versions":["0.97.3"],"ghsa_id":"GHSA-hhx9-57xq-r5rw","id":"tcs_01M5KFVAKQQZ14F8HDPRYA827Z","modified_at":"2026-09-10T03:50:52.348190044Z","published_at":"2026-07-01T20:55:17Z","references":["https://osv.dev/vulnerability/GHSA-hhx9-57xq-r5rw","https://github.com/hey-api/openapi-ts/security/advisories/GHSA-hhx9-57xq-r5rw","https://github.com/hey-api/openapi-ts"],"severity":{"label":"medium","score":4.8},"sources":[{"source":"osv","source_id":"GHSA-hhx9-57xq-r5rw","url":"https://osv.dev/vulnerability/GHSA-hhx9-57xq-r5rw"}],"summary":"@hey-api/openapi-ts's `buildClientParams` template: prototype chain substitution via unknown `$<slot>___proto__` key"}