Email with special content can lead to DoS
Summary
| CVE | CVE-2026-48187 |
|---|---|
| State | PUBLISHED |
| Assigner | OTRS |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-06-01 04:16:22 UTC |
| Updated | 2026-06-01 04:16:22 UTC |
| 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 |
Risk And Classification
Primary CVSS: v3.1 5.7 MEDIUM from [email protected]
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Problem Types: CWE-400 | CWE-770 | CWE-400 CWE-400 Uncontrolled Resource Consumption | CWE-770 CWE-770 Allocation of Resources Without Limits or Throttling
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Secondary | 5.7 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H |
| 3.1 | CNA | CVSS | 5.7 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
LowUser Interaction
RequiredScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | OTRS AG | OTRS | unknown 7.0.x | Not specified |
| CNA | OTRS AG | OTRS | affected 8.0.x | Not specified |
| CNA | OTRS AG | OTRS | affected 2023.x | Not specified |
| CNA | OTRS AG | OTRS | affected 2024.x | Not specified |
| CNA | OTRS AG | OTRS | affected 2025.x | Not specified |
| CNA | OTRS AG | OTRS | affected 2026.x 2026.3.x patch | Not specified |
| CNA | OTRS AG | OTRS Community Edition | unknown 6.x | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| otrs.com/release-notes/otrs-security-advisory-2026-06 | [email protected] | otrs.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Additional Advisory Data
Solutions
CNA: Update to OTRS 2026.4.1. or later. Please note that there will be no OTRS 7 patches
There are currently no legacy QID mappings associated with this CVE.