CVE-2026-48187 MEDIUM

CVE-2026-48187: Email with special content can lead to DoS

Vendor Otrs Ag
Product OTRS
Weakness CWE-400
Published June 1, 2026
Last update June 1, 2026

CVSS base score

5.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

An uncontrolled allocation of resources without limits or throttling in the e-mail handling in OTRS allows excessive allocation which may lead to the abortion of the webserver.This issue affects OTRS: * 8.0.X * 2023.X * 2024.X * 2025.X * 2026.X before 2026.4.X Please note that ((OTRS)) Community Edition 6.x, OTRS 7.x and products based on the ((OTRS)) Community Edition also very likely to be affected

Key dates

02Disclosure timeline

June 1, 2026 CVE published
June 1, 2026 Record updated