What’s Vulnerable › Vulnerabilities
CVE-2026-48208: Denial-of-Service via SVG Rendering in Ticket
- Severity: medium (CVSS 6.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-06-01 · updated 2026-07-22
- Weakness: CWE-400
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
Affected products
- OTRS AG OTRS: through 6.0.32; from 7.0.0 through 8.0.37; from 2023.0.0 before 2026.4.1 — fixed in 2026.4.1
How to fix
Upgrade to a fixed version: OTRS AG OTRS 2026.4.1. Check the vendor advisory for mitigations.
References
Get alerted when CVE-2026-48208 or the next vulnerability affects your stack