Zammad: Titles of knowledge base answers will be shown across all categories via the global search

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-56729
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-25 17:17:09 UTC
Updated2026-09-28 14:45:39 UTC
DescriptionZammad is a web based open source helpdesk/customer support system. Prior to 7.0.2, when multiple KB categories have different editor roles assigned, a user with knowledge_base.editor in one category can see answer titles and updated_at timestamps from categories they do not have editor access to , via the global quick search. Category names are not leaked, and opening the answer returns "Page not found," but the title alone may disclose sensitive information. This vulnerability is fixed in 7.0.2.

Risk And Classification

Primary CVSS: v4.0 2.1 LOW from [email protected]

CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS: 0.003770000 probability, percentile 0.291100000 (date 2026-09-29)

Problem Types: CWE-200 | CWE-280 | CWE-284 | CWE-200 CWE-200: Exposure of Sensitive Information to an Unauthorized Actor | CWE-280 CWE-280: Improper Handling of Insufficient Permissions or Privileges | CWE-284 CWE-284: Improper Access Control

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary2.1LOWCVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/C...
4.0CNADECLARED2.1LOWCVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
Present
Privileges Required
High
User Interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Zammad Zammad affected < 7.0.2 Not specified

References

ReferenceSourceLinkTags
github.com/zammad/zammad/commit/7b6c0adec006e036c9e605c4141a091a6e08aadf [email protected] github.com
github.com/zammad/zammad/security/advisories/GHSA-4m54-p3mr-22g2 [email protected] github.com
github.com/zammad/zammad/commit/de5dc4195829e0e1a64307d60c9e06e0e781ab37 [email protected] github.com
github.com/zammad/zammad/commit/5076aa1e3081146f826ffaef686c89935fdb4393 [email protected] github.com
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