Vulnerabilidades do OTRS AG Otrs

CVE-2026-48209 Alta · 7.1 CWE-79 01/06/2026

Reflected XSS in authenticated agent context

An improper neutralization of user-controllable input in OTRS or ((OTRS)) Community Edition ticket handling allows authenticated attackers to perform reflected cross-site scripting (XSS) attacks via crafted request parameters associated with ticket actions. By injecting malicious JavaScript into manipulated request URLs, attackers can execute arbitrary script code in the context of an authenticated agent session when the crafted link is opened. This issue affects OTRS: * 7.0.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

CVE-2026-48208 Média · 6.5 CWE-400 01/06/2026

Denial-of-Service via SVG Rendering in Ticket

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

CVE-2026-48191 Baixa · 3.5 CWE-276 01/06/2026

Wrong Permission Handling in Document Search Article Meta Filters

An incorrect handling of permissions in STORM powered by OTRS and in OTRS (2026.x and above) Document Search Article Meta Filters modules allows gaining knowledge about number of affected CIs, SLA and services without gaining access to them. This issue affects OTRS with STORM modules: * 7.0.X * 8.0.X * 2023.X * 2024.X * 2025.X * 2026.X before 2026.4.X

CVE-2026-48190 Baixa · 3.5 CWE-276 01/06/2026

Incorrect handling of permissions in External Interface Config Item List module

An incorrect handling of permissions in OTRS External Interface and the ConfigItem List module allows an authenticated customer to query the system for CI information. Please note that CMDB has to be anabled and CustomerGroupSupport has to be used to be affected. This issue affects OTRS: * 7.0.X * 8.0.X * 2023.X * 2024.X * 2025.X * 2026.X before 2026.4.X

CVE-2026-48189 Média · 5.7 CWE-200 01/06/2026

Bypass DedicatedAgentToCustomerGroups Setting

An improper Input Validation vulnerability in OTRS Customer Backend module allows to access customer information which are restricted to other groups. Please note that the feature has to be anabled and CustomerGroupSupport has to be used to be affected. This issue affects OTRS: * 7.0.X * 8.0.X * 2023.X * 2024.X * 2025.X * 2026.X before 2026.4.X

CVE-2026-48188 Crítica · 9.1 CWE-20 01/06/2026

SQL Injection via MySQL Quote Method

An improper Input Validation vulnerability in OTRS or ((OTRS)) Community Edition database layer module allows an unauthenticated SQL injection which can lead to an authentication bypass. This issue only affects the system if the MySQL/MariaDB server is configured with the NO_BACKSLASH_ESCAPES SQL mode. This issue affects OTRS: * 7.0.X * 8.0.X * 2023.X * 2024.X * 2025.X * 2026.X before 2026.4.X * (OTRS)) Community Edition: 6.0.x Products based on the ((OTRS)) Community Edition also very likely to be affected

CVE-2026-48187 Média · 5.7 CWE-400 01/06/2026

Email with special content can lead to DoS

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

CVE-2026-48210 Média · 5.7 CWE-200 31/05/2026

Possible information disclosure via External Interface

An improper default configuration in OTRS 2026.3.1 causes ticket article forwarding actions to enforce the “Is visible for customer” flag by default and prevent users from disabling it via the UI. This leads to unintended exposure of internal ticket information to the External Frontend This issue affects OTRS 2026.3.1

CVE-2026-6060 Média · 4.5 CWE-400 20/04/2026

Possible DoS via SQL Box

A vulnerability in the SQL Box in the admin interface of OTRS leads to an uncontrolled resource consumption leading to a DoS against the webserver. will be killed by the systemThis issue affects OTRS: * 7.0.X * 8.0.X * 2023.X * 2024.X * 2025.X * 2026.X before 2026.3.X