{"action":"Upgrade superjson to 1.8.1 or later.","affected":[{"fixed":"1.8.1","introduced":"0"}],"component":"superjson","cve_ids":["CVE-2022-23631"],"ecosystem":"npm","epss":0.02684,"exploited":false,"fixed_versions":["1.8.1"],"ghsa_id":"GHSA-5888-ffcr-r425","id":"tcs_01M5KF31HRRCDYNN9TB80MQ6RR","modified_at":"2026-07-08T06:29:19.779278557Z","published_at":"2022-02-09T22:20:49Z","references":["https://osv.dev/vulnerability/GHSA-5888-ffcr-r425","https://github.com/blitz-js/superjson/security/advisories/GHSA-5888-ffcr-r425","https://nvd.nist.gov/vuln/detail/CVE-2022-23631","https://github.com/advisories/GHSA-5888-ffcr-r425","https://github.com/blitz-js/superjson","https://www.sonarsource.com/blog/blitzjs-prototype-pollution"],"severity":{"label":"critical","score":9},"sources":[{"source":"osv","source_id":"GHSA-5888-ffcr-r425","url":"https://osv.dev/vulnerability/GHSA-5888-ffcr-r425"}],"summary":"Prototype Pollution leading to Remote Code Execution in superjson"}