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CVE-2026-34248— Zammad has an information disclosure in ticket detail view of customers in shared organizations

EPSS 0.03% · P10
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I. Basic Information for CVE-2026-34248

Vulnerability Information
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Vulnerability Title
Zammad has an information disclosure in ticket detail view of customers in shared organizations
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
访问控制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Zammad 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zammad是德国Zammad公司的一套票务管理软件。 Zammad 7.0.1之前版本存在访问控制错误漏洞，该漏洞源于访问控制不当，可能导致共享组织内的客户看到不应看到的字段。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
zammadzammad >= 7.0.0, < 7.0.1 -

II. Public POCs for CVE-2026-34248

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III. Intelligence Information for CVE-2026-34248

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Same Patch Batch · zammad · 2026-04-08 · 10 CVEs total

CVE-2026-34722Zammad is missing authorization in ticket create endpoint
CVE-2026-34724Zammad has a server-side template injection leading to RCE via AI Agent
CVE-2026-34837Zammad is miissing authorization in AI assistance controller for context data used in text
CVE-2026-34720Zammad has an origin validation error in SSO mechanism
CVE-2026-34721Zammad has Cross-site request forgery (CSRF) in OAuth callback endpoints
CVE-2026-34719Zammad has a Server-side request forgery (SSRF) via webhooks
CVE-2026-34718Zammad improperly neutralizes of script-related HTML tags in ticket articles
CVE-2026-34782Zammad has improper access control in AI assistance controller for text tools
CVE-2026-34723Zammad has incorrect access control in getting_started_controller

IV. Related Vulnerabilities

Same product: zammad
Same vendor: zammad
Same weakness: CWE-284

V. Comments for CVE-2026-34248

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