Vendor
OTRS
81 known vulnerabilities.
OTRS at a glance
Show as table
| Month | Vulnerabilities | Critical |
|---|---|---|
| Nov 2026 | 0 | 0 |
| Oct 2026 | 0 | 0 |
| Sep 2026 | 0 | 0 |
| Aug 2026 | 0 | 0 |
| Jul 2026 | 0 | 0 |
| Jun 2026 | 7 | 1 |
| May 2026 | 1 | 0 |
| Apr 2026 | 1 | 0 |
| Mar 2026 | 0 | 0 |
| Feb 2026 | 0 | 0 |
| Jan 2026 | 0 | 0 |
| Dec 2025 | 0 | 0 |
| Nov 2025 | 0 | 0 |
| Oct 2025 | 0 | 0 |
| Sep 2025 | 0 | 0 |
| Aug 2025 | 0 | 0 |
| Jul 2025 | 1 | 0 |
| Jun 2025 | 1 | 0 |
| May 2025 | 0 | 0 |
| Apr 2025 | 0 | 0 |
| Mar 2025 | 1 | 0 |
| Feb 2025 | 0 | 0 |
| Jan 2025 | 4 | 0 |
| Dec 2024 | 0 | 0 |
Most common weaknesses
Products
Latest advisories
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Medium max 7.5
Red Hat Enterprise Linux (pki and Libreswan): Mehrere Schwachstellen
Ein entfernter Angreifer kann mehrere Schwachstellen in Red Hat Enterprise Linux ausnutzen, um Sicherheitsmaßnahmen zu umgehen oder einen Denial-of-Service-Zustand zu verursachen.
first Jun 23, 2024 -
High max 9.4WID-SEC-2026-3872 9 CVEs
OTRS: Mehrere Schwachstellen
Ein Angreifer kann mehrere Schwachstellen in OTRS ausnutzen, um seine Privilegien zu erhöhen, die Authentifizierung zu umgehen, vertrauliche Informationen offenzulegen, Daten zu manipulieren und Cross-Site-Scripting-Angriffe durchzuführen.
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High max 8.1
OpenSSH: Schwachstelle ermöglicht Codeausführung
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in OpenSSH ausnutzen, um beliebigen Programmcode mit root Rechten auszuführen.
first Jun 30, 2024 -
High max 9.1WID-SEC-2026-1748 8 CVEs
OTRS: Mehrere Schwachstellen
Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in OTRS ausnutzen, um einen Denial of Service zu verursachen, um eine SQL Injection durchzuführen, um Informationen offenzulegen und um einen XSS Angriff durchzuführen.
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Low max 4.5
OTRS: Schwachstelle ermöglicht Denial of Service
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in OTRS ausnutzen, um einen Denial of Service Angriff durchzuführen.
first Apr 19, 2026
81 results · Feed
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Medium 5.7
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.…
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Critical 9.1CVE-2026-48188 Public exploit
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 config…
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Medium 5.7
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 …
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Low 3.5
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 affec…
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Low 3.5
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 affect…
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Medium 6.5CVE-2026-48208 Public exploit
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…
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High 7.1
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. B…
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Medium 5.7
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 informati…
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Medium 4.5CVE-2026-6060 Public exploit
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 befor…
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Medium 5.3
Possible user enumeration
A vulnerability in the External Interface of OTRS allows conclusions to be drawn about the existence of user accounts through different HTTP response codes and messages. This enables an attacker to systematically identify valid email addresses. This issue aff…
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Low 3.8
Unsafe handling of AJAX calls
A vulnerability in the OTRS Admin Interface and Agent Interface (versions before OTRS 8) allow parameter injection due to for an autheniticated agent or admin user. This issue affects: * OTRS 7.0.X * OTRS 8.0.X * OTRS 2023.X * OTRS 2024.X * OTRS 2025.X * ((OT…
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Medium 4.8
Missing CSRF protection
A vulnerability in OTRS Application Server allows session hijacking due to missing attributes for sensitive cookie settings in HTTPS sessions. A request to an OTRS endpoint from a possible malicious web site, would send the authentication cookie, performing a…
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Medium 6.8
Missing Cookie Flags
A vulnerability in OTRS Application Server and reverse proxy settings allows session hijacking due to missing attributes for sensitive cookie settings in HTTPS sessions. This issue affects: * OTRS 7.0.X * OTRS 8.0.X * OTRS 2023.X * OTRS 2024.X
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Medium 6.3
SMTP Password will be shown in cleartext on some SMTP errors
Certain errors of the upstream libraries will insert sensitive information in the OTRS or ((OTRS)) Community Edition log mechanism and mails send to the system administrator. This issue affects: * OTRS 7.0.X * OTRS 8.0.X * OTRS 2023.X * OTRS 2024.X * ((OTRS))…
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Low 3.5
Improper check of permissions in Generic Interface
An improper privilege management vulnerability in OTRS Generic Interface module allows change of the Ticket status even if the user only has ro permissions. This issue affects: * OTRS 7.0.X * OTRS 8.0.X * OTRS 2023.X * OTRS 2024.X * ((OTRS)) Community Edition…
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Medium 5.4
Missing X-Content-Type-Options: nosniff Header Allows MIME Type Sniffing
A vulnerability exists in OTRS and ((OTRS Community Edition)) that fail to set the HTTP response header X-Content-Type-Options to nosniff. An attacker could exploit this vulnerability by uploading or inserting content that would be treated as a different MIME…
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High 8.2
Passwords are written to Admin Log Module
Passwords of agents and customers are displayed in plain text in the OTRS admin log module if certain configurations regarding the authentication sources match and debugging for the authentication backend has been enabled. This issue affects: * OTRS from 7.0.…
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Medium 4.9
Stored XSS in process management
Improper Neutralization of Input done by an attacker with admin privileges ('Cross-site Scripting') in Process Management modules of OTRS and ((OTRS)) Community Edition allows Cross-Site Scripting (XSS) within the Process Management targeting other admins. Th…
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Medium 4.9
Stored XSS in System Configuration
Improper Neutralization of Input done by an attacker with admin privileges ('Cross-site Scripting') in OTRS (System Configuration modules) and ((OTRS)) Community Edition allows Cross-Site Scripting (XSS) within the System Configuration targeting other admins…
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Medium 5.2
Agents are able to lock the ticket without the "Owner" permission
An incorrect privilege assignment vulnerability in the inline editing functionality of OTRS can lead to privilege escalation. This flaw allows an agent with read-only permissions to gain full access to a ticket. This issue arises in very rare instances when a…
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Medium 5.7
Information exlosure in external interface
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 other customers. The problem only occurs …
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Medium 6.3
Upload of files outside application directory
The file upload feature in OTRS and ((OTRS)) Community Edition has a path traversal vulnerability. This issue permits authenticated agents or customer users to upload potentially harmful files to directories accessible by the web server, potentially leading t…
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Low 3.5
Missing file type check in avatar picture upload
Improper Input Validation vulnerability in the upload functionality for user avatars allows functionality misuse due to missing check of filetypes. This issue affects OTRS: from 7.0.X through 7.0.48, from 8.0.X through 8.0.37, from 2023 through 2023.1.1.
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Medium 4.9
Unnecessary data is written to log if issues during indexing occurs
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, from 2023.X through 2023.1.1.
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Medium 5.3
Insufficient access control
When adding attachments to ticket comments, another user can add attachments as well impersonating the orginal user. The attack requires a logged-in other user to know the UUID. While the legitimate user completes the comment, the malicious user can add more …
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High 8.1
Password is send back to client
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.
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Low 3.5
Possible XSS execution in customer information
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 onlyoccurs if the configuration for Ad…
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Medium 5.3
External pictures can be loaded even if not allowed by configuration
The loading of external images is not blocked, even if configured, if the attacker uses protocol-relative URL in the payload. This can be used to retreive the IP of the user.This issue affects OTRS: from 7.0.X before 7.0.47, from 8.0.X before 8.0.37; ((OTRS))…
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High 8.7
SSL Certificates are not checked for E-Mail Handling
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. As the SSL_get_verify_result() function is not used the certificated is trusted always and it can not be ensured that the …
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Medium 6.3
Host header injection by attachments in web service
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 host header injection for the ContentType …
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Medium 4.1
Tickets can be moved without permissions
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. This issue affects OTRS: from 8.0.X before 8.0.35.
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Medium 4.1
XSS stored in survey answers
An improper input validation vulnerability in OTRS Survey modules allows any attacker with a link to a valid and unanswered survey request to inject javascript code in free text answers. This allows a cross site scripting attack while reading the replies as a…
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High 7.2
Code execution via System Configuration
Improper Neutralization of commands allowed to be executed via OTRS System Configuration e.g. SchedulerCronTaskModule using UnitTests modules allows any authenticated attacker with admin privileges local execution of Code.This issue affects OTRS: from 7.0.X b…
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High 7.6
Information disclouse and DoS via websocket push events
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. User IDs can easily be correlated with real names e. g. via t…
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High 7.4
Code execution through ACL creation
Improper Input Validation vulnerability in OTRS AG OTRS (ACL modules), OTRS AG ((OTRS)) Community Edition (ACL modules) allows Local Execution of Code. When creating/importing an ACL it was possible to inject code that gets executed via manipulated comments a…
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Medium 6.1
Possible XSS in Ticket Actions
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 7.0.42; ((OTRS)) Community Edition: from…
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Medium 6.5
SQL Injection via OTRS Search API
Improper Input Validation vulnerability in OTRS AG OTRS, OTRS AG ((OTRS)) Community Edition allows SQL Injection via TicketSearch Webservice This issue affects OTRS: from 7.0.1 before 7.0.40 Patch 1, from 8.0.1 before 8.0.28 Patch 1; ((OTRS)) Community Editio…
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High 7.5
DoS attack using email
An external attacker is able to send a specially crafted email (with many recipients) and trigger a potential DoS of the system
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Medium 6.8
Perl Code execution in Template Toolkit
Attacker might be able to execute malicious Perl code in the Template toolkit, by having the admin installing an unverified 3th party package
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Low 3.5
Possible XSS in Admin Interface
An attacker who is logged into OTRS as an admin user may manipulate the URL to cause execution of JavaScript in the context of OTRS.