CVE-2026-48208 Details
Description
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
A denial-of-service vulnerability has been identified in OTRS and OTRS Community Edition ticket article rendering. This issue arises from improper handling of active SVG content, allowing attackers to inject specially crafted SVG payloads through email. When affected tickets are opened by an agent or customer, the injected SVGs cause resource exhaustion on the browser side, leading to a denial-of-service condition. Notably, this vulnerability can be exploited without requiring JavaScript execution and is not mitigated by the configured Content Security Policy (CSP). The vulnerability affects OTRS versions 7.0.X, 8.0.X, 2023.X, 2024.X, 2025.X, and 2026.X prior to 2026.4.X. Additionally, OTRS Community Edition 6.x and earlier versions are vulnerable, as well as products based on OTRS Community Edition.
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-2026-07/ | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-400 | Uncontrolled Resource Consumption | [email protected] |
| CWE-791 | Incomplete Filtering of Special Elements | [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] |