CVE-2026-34752

Published: Apr 02, 2026 Last Modified: Apr 02, 2026
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 8,7
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A

Description

AI Translation Available

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.

248

Uncaught Exception

Draft
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Availability Confidentiality
Potential Impacts:
Dos: Crash, Exit, Or Restart Read Application Data
Applicable Platforms
Languages: C#, C++, Java
View CWE Details
https://github.com/haraka/Haraka/releases/tag/v3.1.4
https://github.com/haraka/Haraka/releases/tag/v3.1.4
https://github.com/haraka/Haraka/security/advisories/GHSA-x…
https://github.com/haraka/Haraka/security/advisories/GHSA-xph3-r2jf-4vp3