[悪用確認] CVE-2026-102489: Zammad GmbH Zammad Session Fixation Vulnerability

Zammad GmbH Zammad Zammad GmbH Zammad contains a session fixation vulnerability that can lead to remote code execution as the zammad user. This vulnerability can be chained with CVE-2026-102490. 対応: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. (期限 2026-10-05)

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On 10/02/2026, 09:00 AM, CISA Known Exploited Vulnerabilities published "[悪用確認] CVE-2026-102489: Zammad GmbH Zammad Session Fixation Vulnerability" (type: Advisory). Severity is "Critical" (critical). CVE: CVE-2026-102489.