CVE-2026-34723

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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,6.5.4)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[7.0.0-alpha,7.0.1)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "zammad", "source": "cna", "vendor": "zammad"}, "product": "zammad", "vendor": "zammad"}], "analysis": {"en": {"generated_at": "2026-04-18T17:21:32.929081+00:00", "value": {"mitigation_remediation": ["Upgrade Zammad to version 7.0.1 or newer (or 6.5.4 or newer).", "Verify that the /getting_started endpoint is no longer accessible to unauthenticated users.", "If upgrading is not immediately possible, restrict network access to the /getting_started endpoint using firewall rules or a web application firewall."], "summary": {"action": "Immediate Patch", "impact": "Sensitive Data Exposure"}, "threat_synthesis": {"affected_systems": "Affected by the Zammad help\u2011desk application before releases 7.0.1 and 6.5.4. Any deployment of Zammad older than those patch versions is vulnerable.", "description_and_impact": "This vulnerability is due to an incorrect access control check in Zammad's getting_started_controller. An unauthenticated remote attacker can invoke the getting_started endpoint and retrieve sensitive internal entity data that should be protected. The weakness is a classic access control violation, identified as CWE-284.", "risk_and_exploitability": "The CVSS base score of 8.7 marks this flaw as high severity. The EPSS score of 0.00044 indicates a very low likelihood of exploitation, but the flaw is still technically simple to exploit: a remote attacker can send a request to the exposed endpoint without authentication, likely via a web browser or HTTP client. The vulnerability is not listed in the CISA KEV catalog, yet the potential for data exposure remains significant."}}}}, "created": "2026-04-08T20:12:36.126286+00:00", "updated": "2026-04-18T17:30:05.945844+00:00", "vendors": ["zammad", "zammad$PRODUCT$zammad"]}