CVE-2026-48187
Received
Received - Intake
Uncontrolled Resource Allocation in OTRS Email Handling
Publication date: 2026-06-01
Last updated on: 2026-06-01
Assigner: OTRS AG
Description
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
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| otrs | otrs | 8.0 |
| otrs | otrs | 2023.* |
| otrs | otrs | 2024.* |
| otrs | otrs | 2025.* |
| otrs | otrs | to 2026.4 (exc) |
| otrs | otrs | 6.* |
| otrs | otrs | 7.* |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-770 | The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated. |
| CWE-400 | The product does not properly control the allocation and maintenance of a limited resource. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is an uncontrolled allocation of resources without limits or throttling in the e-mail handling component of OTRS. It allows excessive resource allocation which may cause the webserver to abort or crash.
How can this vulnerability impact me? :
The impact of this vulnerability is that it can lead to the abortion or crashing of the webserver running OTRS. This can cause denial of service, making the affected system unavailable to users.
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