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180 vulnerabilities found for zammad by zammad
CVE-2026-34837 (GCVE-0-2026-34837)
Vulnerability from nvd – Published: 2026-04-08 18:20 – Updated: 2026-04-08 19:52
VLAI?
Title
Zammad is miissing authorization in AI assistance controller for context data used in text tools
Summary
Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1, he REST endpoint POST /api/v1/ai_assistance/text_tools/:id contains an authorization failure. Context data (e.g., a group or organization) supplied to be used in the AI prompt were not checked if they are accessible for the current user. This leads to having data present in the AI prompt that were not authorized before being used. A user needs to have ticket.agent permission to be able to use the provided context data. This vulnerability is fixed in 7.0.1.
Severity ?
CWE
- CWE-862 - Missing Authorization
Assigner
References
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CVE-2026-34782 (GCVE-0-2026-34782)
Vulnerability from nvd – Published: 2026-04-08 18:18 – Updated: 2026-04-09 14:22
VLAI?
Title
Zammad has improper access control in AI assistance controller for text tools
Summary
Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1 and 6.5.4, the REST endpoint POST /api/v1/ai_assistance/text_tools/:id was not checking if a user is privileged to use the text tool, resulting in being able to use it in all situations. This vulnerability is fixed in 7.0.1 and 6.5.4.
Severity ?
CWE
- CWE-862 - Missing Authorization
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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CVE-2026-34724 (GCVE-0-2026-34724)
Vulnerability from nvd – Published: 2026-04-08 18:17 – Updated: 2026-04-09 16:17
VLAI?
Title
Zammad has a server-side template injection leading to RCE via AI Agent
Summary
Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1, a server-side template injection vulnerability which leads to RCE via AI Agent exists. Impact is limited to environments where an attacker can control or influence type_enrichment_data (typically high-privilege administrative configuration). This vulnerability is fixed in 7.0.1.
Severity ?
CWE
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
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CVE-2026-34723 (GCVE-0-2026-34723)
Vulnerability from nvd – Published: 2026-04-08 18:14 – Updated: 2026-04-10 20:40
VLAI?
Title
Zammad has incorrect access control in getting_started_controller
Summary
Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1 and 6.5.4, unauthenticated remote attackers were able to access the getting started endpoint to get access to sensitive internal entity data, even after the system setup was completed. This vulnerability is fixed in 7.0.1 and 6.5.4.
Severity ?
CWE
- CWE-284 - Improper Access Control
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
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CVE-2026-34722 (GCVE-0-2026-34722)
Vulnerability from nvd – Published: 2026-04-08 18:13 – Updated: 2026-04-08 19:51
VLAI?
Title
Zammad is missing authorization in ticket create endpoint
Summary
Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1 and 6.5.4, the used endpoint for ticket creation was missing authorization if the related parameter for adding links is used. This vulnerability is fixed in 7.0.1 and 6.5.4.
Severity ?
CWE
- CWE-862 - Missing Authorization
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
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CVE-2026-34721 (GCVE-0-2026-34721)
Vulnerability from nvd – Published: 2026-04-08 18:12 – Updated: 2026-04-09 14:22
VLAI?
Title
Zammad has Cross-site request forgery (CSRF) in OAuth callback endpoints
Summary
Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1 and 6.5.4, the OAuth callback endpoints for Microsoft, Google, and Facebook external credentials do not validate a CSRF state parameter. This vulnerability is fixed in 7.0.1 and 6.5.4.
Severity ?
CWE
- CWE-352 - Cross-Site Request Forgery (CSRF)
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
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CVE-2026-34720 (GCVE-0-2026-34720)
Vulnerability from nvd – Published: 2026-04-08 18:11 – Updated: 2026-04-09 16:17
VLAI?
Title
Zammad has an origin validation error in SSO mechanism
Summary
Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1 and 6.5.4, the SSO mechanism in Zammad was not verifying the header originates from a trusted SSO proxy/gateway before applying further actions on it. This vulnerability is fixed in 7.0.1 and 6.5.4.
Severity ?
CWE
- CWE-346 - Origin Validation Error
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
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CVE-2026-34719 (GCVE-0-2026-34719)
Vulnerability from nvd – Published: 2026-04-08 18:02 – Updated: 2026-04-10 20:38
VLAI?
Title
Zammad has a Server-side request forgery (SSRF) via webhooks
Summary
Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1 and 6.5.4, the webhook model was missing a proper validation for loop back addresses, or link-local addresses — only the URL scheme (HTTP/HTTPS) as well as the hostname was checked. This could end up in retrieving confidential metadata of cloud/hosting providers. The existing check is now extended and is applied when configuring webhooks as well as triggering webhook jobs. This vulnerability is fixed in 7.0.1 and 6.5.4.
Severity ?
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
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CVE-2026-34718 (GCVE-0-2026-34718)
Vulnerability from nvd – Published: 2026-04-08 18:01 – Updated: 2026-04-08 19:51
VLAI?
Title
Zammad improperly neutralizes of script-related HTML tags in ticket articles
Summary
Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1 and 6.5.4, the HTML sanitizer for ticket articles was missing proper sanitization of data: ... URI schemes, resulting in storing such malicious content in the database of the Zammad instance. The Zammad GUI is rendering this content, due to applied CSP rules no harm was done by e.g., clicking such a link. This vulnerability is fixed in 7.0.1 and 6.5.4.
Severity ?
CWE
- CWE-80 - Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
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CVE-2026-34248 (GCVE-0-2026-34248)
Vulnerability from nvd – Published: 2026-04-08 18:00 – Updated: 2026-04-09 16:17
VLAI?
Title
Zammad has an information disclosure in ticket detail view of customers in shared organizations
Summary
Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1, customers in shared organizations (means they can see each other's tickets) could see fields which are not intended for customers - including fields not intended for them at all (e.g. priority, custom ticket attributes for internal purposes). This was the case when a customer opened a ticket from another user of the same shared organization. They are not able to modify these field. This vulnerability is fixed in 7.0.1.
Severity ?
CWE
- CWE-284 - Improper Access Control
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
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CVE-2025-32360 (GCVE-0-2025-32360)
Vulnerability from nvd – Published: 2025-04-05 00:00 – Updated: 2025-04-07 16:12
VLAI?
Summary
In Zammad 6.4.x before 6.4.2, there is information exposure. Only agents should be able to see and work on shared article drafts. However, a logged in customer was able to see details about shared drafts for their customer tickets in the browser console, which may contain confidential information, and also to manipulate them via API.
Severity ?
4.2 (Medium)
CWE
- CWE-402 - Transmission of Private Resources into a New Sphere ('Resource Leak')
Assigner
References
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CVE-2025-32359 (GCVE-0-2025-32359)
Vulnerability from nvd – Published: 2025-04-05 00:00 – Updated: 2025-04-07 16:12
VLAI?
Summary
In Zammad 6.4.x before 6.4.2, there is client-side enforcement of server-side security. When changing their two factor authentication configuration, users need to re-authenticate with their current password first. However, this change was enforced in Zammad only on the front end level, and not when using the API directly.
Severity ?
4.8 (Medium)
CWE
- CWE-602 - Client-Side Enforcement of Server-Side Security
Assigner
References
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CVE-2025-32358 (GCVE-0-2025-32358)
Vulnerability from nvd – Published: 2025-04-05 00:00 – Updated: 2025-04-07 16:12
VLAI?
Summary
In Zammad 6.4.x before 6.4.2, SSRF can occur. Authenticated admin users can enable webhooks in Zammad, which are triggered as POST requests when certain conditions are met. If a webhook endpoint returned a redirect response, Zammad would follow it automatically with another GET request. This could be abused by an attacker to cause GET requests for example in the local network.
Severity ?
4 (Medium)
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
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CVE-2025-32357 (GCVE-0-2025-32357)
Vulnerability from nvd – Published: 2025-04-05 00:00 – Updated: 2025-04-07 16:13
VLAI?
Summary
In Zammad 6.4.x before 6.4.2, an authenticated agent with knowledge base permissions was able to use the Zammad API to fetch knowledge base content that they have no permission for.
Severity ?
4.3 (Medium)
CWE
- CWE-288 - Authentication Bypass Using an Alternate Path or Channel
Assigner
References
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CVE-2024-55578 (GCVE-0-2024-55578)
Vulnerability from nvd – Published: 2024-12-09 00:00 – Updated: 2024-12-12 17:15
VLAI?
Summary
Zammad before 6.4.1 places sensitive data (such as auth_microsoft_office365_credentials and application_secret) in log files.
Severity ?
4.3 (Medium)
CWE
- n/a
Assigner
References
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CVE-2026-34837 (GCVE-0-2026-34837)
Vulnerability from cvelistv5 – Published: 2026-04-08 18:20 – Updated: 2026-04-08 19:52
VLAI?
Title
Zammad is miissing authorization in AI assistance controller for context data used in text tools
Summary
Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1, he REST endpoint POST /api/v1/ai_assistance/text_tools/:id contains an authorization failure. Context data (e.g., a group or organization) supplied to be used in the AI prompt were not checked if they are accessible for the current user. This leads to having data present in the AI prompt that were not authorized before being used. A user needs to have ticket.agent permission to be able to use the provided context data. This vulnerability is fixed in 7.0.1.
Severity ?
CWE
- CWE-862 - Missing Authorization
Assigner
References
| URL | Tags | ||||
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CVE-2026-34782 (GCVE-0-2026-34782)
Vulnerability from cvelistv5 – Published: 2026-04-08 18:18 – Updated: 2026-04-09 14:22
VLAI?
Title
Zammad has improper access control in AI assistance controller for text tools
Summary
Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1 and 6.5.4, the REST endpoint POST /api/v1/ai_assistance/text_tools/:id was not checking if a user is privileged to use the text tool, resulting in being able to use it in all situations. This vulnerability is fixed in 7.0.1 and 6.5.4.
Severity ?
CWE
- CWE-862 - Missing Authorization
Assigner
References
| URL | Tags | ||||
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CVE-2026-34724 (GCVE-0-2026-34724)
Vulnerability from cvelistv5 – Published: 2026-04-08 18:17 – Updated: 2026-04-09 16:17
VLAI?
Title
Zammad has a server-side template injection leading to RCE via AI Agent
Summary
Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1, a server-side template injection vulnerability which leads to RCE via AI Agent exists. Impact is limited to environments where an attacker can control or influence type_enrichment_data (typically high-privilege administrative configuration). This vulnerability is fixed in 7.0.1.
Severity ?
CWE
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
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CVE-2026-34723 (GCVE-0-2026-34723)
Vulnerability from cvelistv5 – Published: 2026-04-08 18:14 – Updated: 2026-04-10 20:40
VLAI?
Title
Zammad has incorrect access control in getting_started_controller
Summary
Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1 and 6.5.4, unauthenticated remote attackers were able to access the getting started endpoint to get access to sensitive internal entity data, even after the system setup was completed. This vulnerability is fixed in 7.0.1 and 6.5.4.
Severity ?
CWE
- CWE-284 - Improper Access Control
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
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CVE-2026-34722 (GCVE-0-2026-34722)
Vulnerability from cvelistv5 – Published: 2026-04-08 18:13 – Updated: 2026-04-08 19:51
VLAI?
Title
Zammad is missing authorization in ticket create endpoint
Summary
Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1 and 6.5.4, the used endpoint for ticket creation was missing authorization if the related parameter for adding links is used. This vulnerability is fixed in 7.0.1 and 6.5.4.
Severity ?
CWE
- CWE-862 - Missing Authorization
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
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CVE-2026-34721 (GCVE-0-2026-34721)
Vulnerability from cvelistv5 – Published: 2026-04-08 18:12 – Updated: 2026-04-09 14:22
VLAI?
Title
Zammad has Cross-site request forgery (CSRF) in OAuth callback endpoints
Summary
Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1 and 6.5.4, the OAuth callback endpoints for Microsoft, Google, and Facebook external credentials do not validate a CSRF state parameter. This vulnerability is fixed in 7.0.1 and 6.5.4.
Severity ?
CWE
- CWE-352 - Cross-Site Request Forgery (CSRF)
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
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CVE-2026-34720 (GCVE-0-2026-34720)
Vulnerability from cvelistv5 – Published: 2026-04-08 18:11 – Updated: 2026-04-09 16:17
VLAI?
Title
Zammad has an origin validation error in SSO mechanism
Summary
Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1 and 6.5.4, the SSO mechanism in Zammad was not verifying the header originates from a trusted SSO proxy/gateway before applying further actions on it. This vulnerability is fixed in 7.0.1 and 6.5.4.
Severity ?
CWE
- CWE-346 - Origin Validation Error
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
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CVE-2026-34719 (GCVE-0-2026-34719)
Vulnerability from cvelistv5 – Published: 2026-04-08 18:02 – Updated: 2026-04-10 20:38
VLAI?
Title
Zammad has a Server-side request forgery (SSRF) via webhooks
Summary
Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1 and 6.5.4, the webhook model was missing a proper validation for loop back addresses, or link-local addresses — only the URL scheme (HTTP/HTTPS) as well as the hostname was checked. This could end up in retrieving confidential metadata of cloud/hosting providers. The existing check is now extended and is applied when configuring webhooks as well as triggering webhook jobs. This vulnerability is fixed in 7.0.1 and 6.5.4.
Severity ?
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
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CVE-2026-34718 (GCVE-0-2026-34718)
Vulnerability from cvelistv5 – Published: 2026-04-08 18:01 – Updated: 2026-04-08 19:51
VLAI?
Title
Zammad improperly neutralizes of script-related HTML tags in ticket articles
Summary
Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1 and 6.5.4, the HTML sanitizer for ticket articles was missing proper sanitization of data: ... URI schemes, resulting in storing such malicious content in the database of the Zammad instance. The Zammad GUI is rendering this content, due to applied CSP rules no harm was done by e.g., clicking such a link. This vulnerability is fixed in 7.0.1 and 6.5.4.
Severity ?
CWE
- CWE-80 - Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
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CVE-2026-34248 (GCVE-0-2026-34248)
Vulnerability from cvelistv5 – Published: 2026-04-08 18:00 – Updated: 2026-04-09 16:17
VLAI?
Title
Zammad has an information disclosure in ticket detail view of customers in shared organizations
Summary
Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.1, customers in shared organizations (means they can see each other's tickets) could see fields which are not intended for customers - including fields not intended for them at all (e.g. priority, custom ticket attributes for internal purposes). This was the case when a customer opened a ticket from another user of the same shared organization. They are not able to modify these field. This vulnerability is fixed in 7.0.1.
Severity ?
CWE
- CWE-284 - Improper Access Control
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
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CVE-2025-32360 (GCVE-0-2025-32360)
Vulnerability from cvelistv5 – Published: 2025-04-05 00:00 – Updated: 2025-04-07 16:12
VLAI?
Summary
In Zammad 6.4.x before 6.4.2, there is information exposure. Only agents should be able to see and work on shared article drafts. However, a logged in customer was able to see details about shared drafts for their customer tickets in the browser console, which may contain confidential information, and also to manipulate them via API.
Severity ?
4.2 (Medium)
CWE
- CWE-402 - Transmission of Private Resources into a New Sphere ('Resource Leak')
Assigner
References
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CVE-2025-32359 (GCVE-0-2025-32359)
Vulnerability from cvelistv5 – Published: 2025-04-05 00:00 – Updated: 2025-04-07 16:12
VLAI?
Summary
In Zammad 6.4.x before 6.4.2, there is client-side enforcement of server-side security. When changing their two factor authentication configuration, users need to re-authenticate with their current password first. However, this change was enforced in Zammad only on the front end level, and not when using the API directly.
Severity ?
4.8 (Medium)
CWE
- CWE-602 - Client-Side Enforcement of Server-Side Security
Assigner
References
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CVE-2025-32358 (GCVE-0-2025-32358)
Vulnerability from cvelistv5 – Published: 2025-04-05 00:00 – Updated: 2025-04-07 16:12
VLAI?
Summary
In Zammad 6.4.x before 6.4.2, SSRF can occur. Authenticated admin users can enable webhooks in Zammad, which are triggered as POST requests when certain conditions are met. If a webhook endpoint returned a redirect response, Zammad would follow it automatically with another GET request. This could be abused by an attacker to cause GET requests for example in the local network.
Severity ?
4 (Medium)
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Assigner
References
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CVE-2025-32357 (GCVE-0-2025-32357)
Vulnerability from cvelistv5 – Published: 2025-04-05 00:00 – Updated: 2025-04-07 16:13
VLAI?
Summary
In Zammad 6.4.x before 6.4.2, an authenticated agent with knowledge base permissions was able to use the Zammad API to fetch knowledge base content that they have no permission for.
Severity ?
4.3 (Medium)
CWE
- CWE-288 - Authentication Bypass Using an Alternate Path or Channel
Assigner
References
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CVE-2024-55578 (GCVE-0-2024-55578)
Vulnerability from cvelistv5 – Published: 2024-12-09 00:00 – Updated: 2024-12-12 17:15
VLAI?
Summary
Zammad before 6.4.1 places sensitive data (such as auth_microsoft_office365_credentials and application_secret) in log files.
Severity ?
4.3 (Medium)
CWE
- n/a
Assigner
References
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