CVE-2026-48187: 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…

PriorityP426medium5.7CVSS 3.1

AVNACLPRLUIRSUCNINAH

EPSS

0.20%

10.1th percentile

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

Affected

8 ranges

Vendor	Product	Version range	Fixed in
otrs	otrs	<= 6.0.32	—
otrs	otrs	>= 2023.0.0 < 2026.4.1	2026.4.1
otrs	otrs	7.0.0 – 8.0.37	—
otrs_ag	otrs	—	—
otrs_ag	otrs	—	—
otrs_ag	otrs	—	—
otrs_ag	otrs	—	—
otrs_ag	otrs	2026.x – 2026.3.x	—

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