CVE-2026-34752 | Haraka up to 3.1.3 uncaught exception (GHSA-xph3-r2jf-4vp3)

VDB-355030 · CVE-2026-34752 · GHSA-XPH3-R2JF-4VP3 HARAKA UP TO 3.1.3 UNCAUGHT EXCEPTION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 5.1 $0-$5k 0.70+ Summaryinfo A vulnerability was found in Haraka up to 3.1.3 and classified as problematic. Impacted is an unknown function. Executing a manipulation can lead to uncaught exception. This vulnerability is registered as CVE-2026-34752. It is possible to launch the attack remotely. No exploit is available. It is suggested to upgrade the affected component. Detailsinfo A vulnerability was found in Haraka up to 3.1.3. It has been declared as problematic. This vulnerability affects an unknown code. The manipulation with an unknown input leads to a uncaught exception vulnerability. The CWE definition for the vulnerability is CWE-248. An exception is thrown from a function, but it is not caught. As an impact it is known to affect availability. CVE summarizes: 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. The advisory is available at github.com. This vulnerability was named CVE-2026-34752 since 03/30/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. Upgrading to version 3.1.4 eliminates this vulnerability. The upgrade is hosted for download at github.com. Productinfo Name Haraka Version 3.1.0 3.1.1 3.1.2 3.1.3 Website Product: https://github.com/haraka/Haraka/ CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA CVSS-B Score: 🔒 CNA CVSS-BT Score: 🔒 CNA Vector: 🔒 CVSSv3info VulDB Meta Base Score: 5.3 VulDB Meta Temp Score: 5.1 VulDB Base Score: 5.3 VulDB Temp Score: 5.1 VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Uncaught exception CWE: CWE-248 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Upgrade Status: 🔍 0-Day Time: 🔒 Upgrade: Haraka 3.1.4 Timelineinfo 03/30/2026 CVE reserved 04/02/2026 +3 days VulDB entry created 04/03/2026 +0 days Advisory disclosed 04/03/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: GHSA-xph3-r2jf-4vp3 Status: Confirmed CVE: CVE-2026-34752 (🔒) GCVE (CVE): GCVE-0-2026-34752 GCVE (VulDB): GCVE-100-355030 Entryinfo Created: 04/03/2026 00:06 Changes: 04/03/2026 00:06 (66) Complete: 🔍 Cache ID: 99:BB9:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸