{"id":"CVE-2026-34752","revision":"7d8b02e3aa8b471f84fadadf48ee272c","records":[{"revision":"7d8b02e3aa8b471f84fadadf48ee272c","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-34752","aliases":[],"title":"Haraka affected by DoS via `__proto__` email header","description":"Haraka is a Node.js mail server. Prior to version 3.1.4, sending an email with __proto__: as a header name crashes the Haraka worker process. This issue has been patched in version 3.1.4.","state":0,"publishedAt":"2026-04-02T18:42:38.367+00:00","modifiedAt":"2026-04-03T15:47:34.494+00:00","affected":[{"ecosystem":"Vendor product","name":"Haraka","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"haraka\",\n                    \"product\": \"Haraka\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 3.1.4\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":8.7,"severity":"HIGH"}],"references":["https://github.com/haraka/Haraka/security/advisories/GHSA-xph3-r2jf-4vp3","https://github.com/haraka/Haraka/releases/tag/v3.1.4"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-34752","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-34752","identifiers":["CVE-2026-34752"]},"retained":false,"historicalAffected":[]}],"coverage":[]}