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
Published: 2026-06-01
Score: 5.7 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

Vendor Solution

Update to OTRS 2026.4.1. or later. Please note that there will be no OTRS 7 patches

Tracking

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Advisories

No advisories yet.

History

Mon, 15 Jun 2026 13:00:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:otrs:otrs:*:*:*:*:*:*:*:*
cpe:2.3:a:otrs:otrs:*:*:*:*:community:*:*:*

Wed, 03 Jun 2026 02:30:00 +0000

Type Values Removed Values Added
First Time appeared Otrs
Otrs otrs
Otrs otrs Community Edition
Vendors & Products Otrs
Otrs otrs
Otrs otrs Community Edition

Mon, 01 Jun 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 01 Jun 2026 04:00:00 +0000

Type Values Removed Values Added
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
Title Email with special content can lead to DoS
Weaknesses CWE-400
CWE-770
References
Metrics cvssV3_1

{'score': 5.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H'}


Subscriptions

Otrs Otrs Otrs Community Edition
cve-icon MITRE

Status: PUBLISHED

Assigner: OTRS

Published:

Updated: 2026-06-01T13:17:04.742Z

Reserved: 2026-05-21T07:53:13.253Z

Link: CVE-2026-48187

cve-icon Vulnrichment

Updated: 2026-06-01T13:16:59.209Z

cve-icon NVD

Status : Analyzed

Published: 2026-06-01T04:16:22.410

Modified: 2026-06-15T12:46:17.540

Link: CVE-2026-48187

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-02T20:30:16Z

Weaknesses