CVE-2026-48187 Details
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
A resource exhaustion vulnerability has been identified in the email processing component of OTRS. This issue allows for uncontrolled resource allocation, which can overwhelm the web server and cause it to crash. The vulnerability affects OTRS versions 8.0.X, 2023.X, 2024.X, 2025.X, and 2026.X prior to 2026.4.X. Additionally, ((OTRS)) Community Edition 6.x, OTRS 7.x, and products based on ((OTRS)) Community Edition are likely affected.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jun 1, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://otrs.com/release-notes/otrs-security-advisory-2026-06/ | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-400 | Uncontrolled Resource Consumption | [email protected] |
| CWE-770 | Allocation of Resources Without Limits or Throttling | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| otrs otrs | <= 6.0.32 >= 7.0.0, <= 8.0.37 >= 2023.0.0, < 2026.4.1 |
CPE
Remediation
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Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 22, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jun 15, 2026 | Initial Analysis | [email protected] |
| Jun 1, 2026 | New CVE Received | [email protected] |