CVE-2026-48208
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Summary
An improper neutralization of active SVG content in OTRS or ((OTRS)) Community Edition ticket article rendering allows attackers to inject specially crafted SVG payloads via email content, leading to browser-side resource exhaustion and denial of service when affected tickets are opened by an agent or customer. The issue can be exploited without JavaScript execution and is not mitigated by the configured Content Security Policy (CSP).
This issue affects OTRS:
- 7.0.X
- 8.0.X
- 2023.X
- 2024.X
- 2025.X
- 2026.X before 2026.4.X
Please note that ((OTRS)) Community Edition 6.x and before are vulnerable. Products based on the ((OTRS)) Community Edition also very likely to be affected
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| OTRS AG | OTRS | 7.0.x | affected |
| OTRS AG | OTRS | 8.0.x | affected |
| OTRS AG | OTRS | 2023.x | affected |
| OTRS AG | OTRS | 2024.x | affected |
| OTRS AG | OTRS | 2025.x | affected |
| OTRS AG | OTRS | 2026.x <= 2026.3.x | affected |
| OTRS AG | ((OTRS)) Community Edition | 6.x | affected |
Weaknesses
- CWE-400: CWE-400 Uncontrolled Resource Consumption
- CWE-791: CWE-791 Incomplete Filtering of Special Elements
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
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