{"cve":"CVE-2024-21548","nvd":{"published":"2024-12-18T06:15:23.360","modified":"2026-06-17T07:09:43.270","status":"Deferred","description":"Versions of the package bun after 0.0.12 and before 1.1.30 are vulnerable to Prototype Pollution due to improper input sanitization. An attacker can exploit this vulnerability through Bun's APIs that accept objects.\r\r**Note:** This issue relates to the widely known and actively developed 'Bun' JavaScript runtime. The bun package on NPM at versions 0.0.12 and below belongs to a different and older project that happened to claim the 'bun' name in the past.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P","score":6.8},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.5},"cwes":["CWE-1321"],"references":["https://github.com/oven-sh/bun/commit/a234e067a5dc7837602df3fb5489e826920cc65a","https://github.com/oven-sh/bun/pull/14119","https://security.snyk.io/vuln/SNYK-JS-BUN-8499549"],"products":[],"source":"nvd","synced_at":"2026-10-19T21:57:56.913276502+00:00"},"epss":{"cve":"CVE-2024-21548","score":0.00671,"percentile":0.52037,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-v9mx-4pqq-h232","url":"https://osv.dev/vulnerability/GHSA-v9mx-4pqq-h232","summary":"Bun has an Application-level Prototype Pollution vulnerability in the runtime native API for Glo","modified":"2024-12-18T17:12:46.407178Z","packages":[{"ecosystem":"npm","name":"bun","purl":"pkg:npm/bun","ranges":["<1.1.30"],"fixed":["1.1.30"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}