Vendor
OTRS
81 known vulnerabilities.
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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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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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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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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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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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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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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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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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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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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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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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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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Medium 4.6
Possible XSS stored in customer information
An attacker who is logged into OTRS as an admin user may manipulate customer URL field to store JavaScript code to be run later by any other agent when clicking the customer URL link. Then the stored JavaScript is executed in the context of OTRS. The same iss…
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Medium 5.3
Information disclosure in Request New Password feature
Attacker is able to determine if the provided username exists (and it's valid) using Request New Password feature, based on the response time.
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Medium 4.3
Information disclosure in the External Interface
Accounted time is shown in the Ticket Detail View (External Interface), even if ExternalFrontend::TicketDetailView###AccountedTimeDisplay is disabled.
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Medium 6.4
Authenticated remote code execution
Specially crafted string in OTRS system configuration can allow the execution of any system command.
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Medium 5.2
Support Bundle includes S/Mime and PGP secret or PIN
Generated Support Bundles contains private S/MIME and PGP keys if containing folder is not hidden. This issue affects: OTRS AG ((OTRS)) Community Edition 6.0.x version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.28 and prior versions; 8.0.x versi…
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Medium 5.3
User enumeration issue using "lost password" feature
Malicious attacker is able to find out valid user logins by using the "lost password" feature. This issue affects: OTRS AG ((OTRS)) Community Edition version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.28 and prior versions.
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Medium 5.7
XSS attack in appointment edit popup screen
It's possible to craft a request for appointment edit screen, which could lead to the XSS attack. This issue affects: OTRS AG ((OTRS)) Community Edition 6.0.x version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.28 and prior versions.
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Medium 5.3
DoS attack using PostMaster filters
It's possible to create an email which can be stuck while being processed by PostMaster filters, causing DoS. This issue affects: OTRS AG ((OTRS)) Community Edition 6.0.x version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.28 and prior versions; …
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Medium 6.5
XSS attack using special link in email
It's possible to create an email which contains specially crafted link and it can be used to perform XSS attack. This issue affects: OTRS AG ((OTRS)) Community Edition:6.0.x version 6.0.1 and later versions. OTRS AG OTRS: 7.0.x version 7.0.27 and prior versio…
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Medium 4.5
XSS vulnerability in Time Accounting
In the project create screen it's possible to inject malicious JS code to the certain fields. The code might be executed in the Reporting screen. This issue affects: OTRS AG Time Accounting: 7.0.x versions prior to 7.0.19.
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Medium 5.2
Support Bundle includes S/Mime and PGP keys
Generated Support Bundles contains private S/MIME and PGP keys if containing folder is not hidden. This issue affects: OTRS AG ((OTRS)) Community Edition 6.0.x version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.27 and prior versions; 8.0.x versi…
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Medium 6.5
Possible DoS attack using a special crafted URL in email body
DoS attack can be performed when an email contains specially designed URL in the body. It can lead to the high CPU usage and cause low quality of service, or in extreme case bring the system to a halt. This issue affects: OTRS AG ((OTRS)) Community Edition 6.…
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Medium 5.7
Information exposure in PDF export
Article Bcc fields and agent personal information are shown when customer prints the ticket (PDF) via external interface. This issue affects: OTRS AG OTRS 7.0.x version 7.0.23 and prior versions; 8.0.x version 8.0.10 and prior versions.
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Medium 4.3
Dynamic templates reveal sensitive data when OTRS tags are used
When dynamic templates are used (OTRSTicketForms), admin can use OTRS tags which are not masked properly and can reveal sensitive information. This issue affects: OTRS AG OTRSTicketForms 6.0.x version 6.0.40 and prior versions; 7.0.x version 7.0.29 and prior …
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Medium 4.1
Bypassing user account validation
When OTRS uses multiple backends for user authentication (with LDAP), agents are able to login even if the account is set to invalid. This issue affects OTRS; 8.0.9 and prior versions.
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Medium 4.3
Agent names disclosed in chat feature
Agent names that participates in a chat conversation are revealed in certain parts of the external interface as well as in chat transcriptions inside the tickets, when system is configured to mask real agent names. This issue affects OTRS; 7.0.21 and prior ve…