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CVE-2026-34752

Haraka affected by DoS via `__proto__` email header

CVSS 8.7 HIGHEPSS 0.4%CWE-248
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.
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
Productos afectados
haraka · Haraka

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Referencias
https://github.com/haraka/Haraka/releases/tag/v3.1.4https://github.com/haraka/Haraka/security/advisories/GHSA-xph3-r2jf-4vp3