{"action":"Upgrade blitz to 0.45.3 or later.","affected":[{"fixed":"0.45.3","introduced":"0"}],"component":"blitz","cve_ids":["CVE-2022-23631"],"ecosystem":"npm","epss":0.02684,"exploited":false,"fixed_versions":["0.45.3"],"ghsa_id":"GHSA-5888-ffcr-r425","id":"tcs_01M5KF31RK4BECVWNQH62VKHY2","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#npm/blitz","url":"https://osv.dev/vulnerability/GHSA-5888-ffcr-r425"}],"summary":"Prototype Pollution leading to Remote Code Execution in superjson"}