{"id":"GHSA-r5cq-9537-9rpf","aliases":[],"url":"https://o3.security/vulnerability/GHSA-r5cq-9537-9rpf","summary":"Prototype Pollution in mixme","details":"Node.js mixme 0.5.0, an attacker can add or alter properties of an object via '__proto__' through the mutate() and merge() functions. The polluted attribute will be directly assigned to every object in the program. This will put the availability of the program at risk causing a potential denial of service (DoS).","published":"2022-02-10T23:52:01Z","modified":"2026-07-08T06:51:09.593182246Z","cvss":{"score":9.1,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"mixme","fixedVersion":"0.5.1"}],"fix":{"url":"https://github.com/adaltas/node-mixme/commit/cfd5fbfc32368bcf7e06d1c5985ea60e34cd4028","label":"adaltas/node-mixme@cfd5fbf"},"references":[{"type":"WEB","url":"https://github.com/adaltas/node-mixme/security/advisories/GHSA-79jw-6wg7-r9g4"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-28860"},{"type":"WEB","url":"https://github.com/adaltas/node-mixme/issues/1"},{"type":"WEB","url":"https://github.com/adaltas/node-mixme/commit/cfd5fbfc32368bcf7e06d1c5985ea60e34cd4028"},{"type":"PACKAGE","url":"https://github.com/adaltas/node-mixme"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20210618-0005"},{"type":"WEB","url":"https://www.npmjs.com/~david"},{"type":"WEB","url":"http://nodejs.com"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T06:51:09.593182246Z"}}