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

Type: advisorySources: OSV

Zammad 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.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2026-56729
Confirmed fixed CVEs
Not specified
Updated in this feed
2 Nov 2026, 21:12 UTC · Revision 1

Source evidence

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

core-osv · Original source

Published 25 Sept 2026, 16:58 UTC

Zammad 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.

osv:CVE-2026-56729
Complete source record
{
  "id": "057a6a9b344e2d48b05a675015e27dd3159e4c8ac1cff294c8b5ba1a2eae4b44",
  "url": "https://osv.dev/vulnerability/CVE-2026-56729",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Zammad: Titles of knowledge base answers will be shown across all categories via the global search",
    "summary": "Zammad 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.",
    "evidence": "osv:CVE-2026-56729",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2026-56729",
      "aliases": [
        "CVE-2026-56729",
        "GHSA-4m54-p3mr-22g2"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "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"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/zammad/zammad",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "9dc15acf239dbc32ec357708859f2d86b188846c"
                },
                {
                  "fixed": "5076aa1e3081146f826ffaef686c89935fdb4393"
                },
                {
                  "fixed": "7b6c0adec006e036c9e605c4141a091a6e08aadf"
                },
                {
                  "fixed": "de5dc4195829e0e1a64307d60c9e06e0e781ab37"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "7.0.2"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  },
                  {
                    "range": [
                      {
                        "fixed": "5076aa1e3081146f826ffaef686c89935fdb4393"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "7b6c0adec006e036c9e605c4141a091a6e08aadf"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "de5dc4195829e0e1a64307d60c9e06e0e781ab37"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "7.2.0-alpha",
            "7.0.1",
            "7.0.0",
            "7.1.0-alpha",
            "7.0.0-alpha",
            "6.6.0-alpha",
            "6.5.0-alpha",
            "6.4.0-alpha",
            "6.3.0-alpha",
            "6.2.0-alpha",
            "6.1.0-alpha",
            "6.0.0-alpha",
            "5.5.0-alpha",
            "5.4.0-alpha",
            "5.3.0-alpha",
            "5.2.0-alpha",
            "3.7.0",
            "1.6.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-56729.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:23.770945851Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/56xxx/CVE-2026-56729.json",
        "https://github.com/zammad/zammad/security/advisories/GHSA-4m54-p3mr-22g2",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-56729",
        "https://github.com/zammad/zammad/commit/5076aa1e3081146f826ffaef686c89935fdb4393",
        "https://github.com/zammad/zammad/commit/7b6c0adec006e036c9e605c4141a091a6e08aadf",
        "https://github.com/zammad/zammad/commit/de5dc4195829e0e1a64307d60c9e06e0e781ab37"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-200",
          "CWE-280",
          "CWE-284"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/56xxx/CVE-2026-56729.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-56729",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 490100,
  "published_at": "2026-09-25T16:58:05.257+00:00"
}