What’s Vulnerable › Vulnerabilities
CVE-2026-48187: Email with special content can lead to DoS
- Severity: medium (CVSS 5.7 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% 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 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
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
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