CVE-2026-48187— Email with special content can lead to DoS
Possible ATT&CK Techniques 1AI
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I. Basic Information for CVE-2026-48187
Vulnerability Information
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Vulnerability Title
Email with special content can lead to DoS
Source: NVD (National Vulnerability Database)
Vulnerability 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
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: NVD (National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| OTRS AG | OTRS | 7.0.x | - | |
| OTRS AG | ((OTRS)) Community Edition | 6.x | - |
II. Public POCs for CVE-2026-48187
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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Same Patch Batch · OTRS AG · 2026-06-01 · 7 CVEs total
| CVE-2026-48188 | 9.1 CRITICAL | SQL Injection via MySQL Quote Method |
| CVE-2026-48209 | 7.1 HIGH | Reflected XSS in authenticated agent context |
| CVE-2026-48208 | 6.5 MEDIUM | Denial-of-Service via SVG Rendering in Ticket |
| CVE-2026-48189 | 5.7 MEDIUM | Bypass DedicatedAgentToCustomerGroups Setting |
| CVE-2026-48191 | 3.5 LOW | Wrong Permission Handling in Document Search Article Meta Filters |
| CVE-2026-48190 | 3.5 LOW | Incorrect handling of permissions in External Interface Config Item List module |
IV. Related Vulnerabilities
Same product: OTRS
- CVE-2026-48188
SQL Injection via MySQL Quote Method - CVE-2026-48189
Bypass DedicatedAgentToCustomerGroups Setting - CVE-2026-48190
Incorrect handling of permissions in External Interface Conf - CVE-2026-48191
Wrong Permission Handling in Document Search Article Meta Fi - CVE-2026-48208
Denial-of-Service via SVG Rendering in Ticket
Same vendor: OTRS AG
- CVE-2026-48188
SQL Injection via MySQL Quote Method - CVE-2026-48189
Bypass DedicatedAgentToCustomerGroups Setting - CVE-2026-48190
Incorrect handling of permissions in External Interface Conf - CVE-2026-48191
Wrong Permission Handling in Document Search Article Meta Fi - CVE-2026-48208
Denial-of-Service via SVG Rendering in Ticket
Same weakness: CWE-400
- CVE-2026-10224
NousResearch hermes-agent Webhook Endpoint feishu.py _handle - CVE-2026-48208
Denial-of-Service via SVG Rendering in Ticket - CVE-2026-10156
Open5GS nf-instances Endpoint nnrf-handler.c handle_amf_info - CVE-2026-46385
iskorotkov/avro: CPU Exhaustion in Avro Decoder - CVE-2026-45149
brace-expansion: Large numeric range defeats documented `max
V. Comments for CVE-2026-48187
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