CVE-2026-48187

Email with special content can lead to DoS

State: Published
Severity: 5.7 Medium
Published: Jun 1, 2026
Updated: Jun 1, 2026
Reserved: May 21, 2026

Description

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

Scores

CVSS	Score	Vector	Source
3.1	5.7 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H	OTRS

Weaknesses

CWE-400 Uncontrolled Resource Consumption
CWE-770 Allocation of Resources Without Limits or Throttling

Affected Products

Product	Versions
OTRSOTRS AG	7.0.xUnknown 8.0.xAffected 2023.xAffected 2024.xAffected 2025.xAffected 2026.x through 2026.3.xAffected
((OTRS)) Community EditionOTRS AG	6.xUnknown

References

https://otrs.com/release-notes/otrs-security-advisory-2026-06/

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