Vulnerabilities

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 *…

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.

An improper Input Validation vulnerability in OTRS Customer Backend module allows to access customer information which are restricted to other groups.

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.

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 ga…

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 resourc…

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 param…

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.

A vulnerability in OTRS Application Server allows session hijacking due to missing attributes for sensitive cookie settings in HTTPS sessions.

An incorrect privilege assignment vulnerability in the inline editing functionality of OTRS can lead to privilege escalation.

Improper filtering of fields when using the export function in the ticket overview of the external interface in OTRS could allow an authorized user to download a list of tickets containing information about tickets of ot…

Improper Input Validation vulnerability in the upload functionality for user avatars allows functionality misuse due to missing check of filetypes.

Insertion of debug information into log file during building the elastic search index allows reading of sensitive information from articles.This issue affects OTRS: from 7.0.X through 7.0.48, from 8.0.X through 8.0.37, f…

When adding attachments to ticket comments, another user can add attachments as well impersonating the orginal user.

A Vulnerability in OTRS AgentInterface and ExternalInterface allows the reading of plain text passwords which are send back to the client in the server response- This issue affects OTRS: from 8.0.X through 8.0.37.

An attacker who is logged into OTRS as an user with privileges to create and change customer user data may manipulate the CustomerID field to execute JavaScript code that runs immediatly after the data is saved.The issue…

The loading of external images is not blocked, even if configured, if the attacker uses protocol-relative URL in the payload.

The functions to fetch e-mail via POP3 or IMAP as well as sending e-mail via SMTP use OpenSSL for static SSL or TLS based communication.

Improper Input Validation vulnerability in the ContentType parameter for attachments on TicketCreate or TicketUpdate operations of the OTRS Generic Interface modules allows any authenticated attacker to to perform an hos…

An improper privilege check in the OTRS ticket move action in the agent interface allows any as agent authenticated attacker to to perform a move of an ticket without the needed permission.

Improper Neutralization of commands allowed to be executed via OTRS System Configuration e.g.

Improper Authorization vulnerability in OTRS AG OTRS 8 (Websocket API backend) allows any as Agent authenticated attacker to track user behaviour and to gain live insight into overall system usage.

An issue was discovered in Open Ticket Request System (OTRS) 6.0.x before 6.0.12.

Improper Input Validation vulnerability in OTRS AG OTRS (ACL modules), OTRS AG ((OTRS)) Community Edition (ACL modules) allows Local Execution of Code.

Improper Input Validation vulnerability in OTRS AG OTRS (Ticket Actions modules), OTRS AG ((OTRS)) Community Edition (Ticket Actions modules) allows Cross-Site Scripting (XSS).This issue affects OTRS: from 7.0.X before 7…