CVE Intelligence

Haraka vulnerabilities

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Published CVEs affecting Haraka products: 1 record(s), with severity, exploitation and fixes.

Haraka 1

Exploited only (KEV) →

CVE-2026-34752 High · 7.5 CWE-248 Apr 2, 2026
Haraka affected by DoS via `__proto__` email header
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.