KEV / Record
CVE-2026-102489: Zammad GmbH Zammad Session Fixation Vulnerability
Answer CVE-2026-102489 is in CISA's Known Exploited Vulnerabilities catalog. It was added on 2026-10-02, and US federal civilian agencies must act on it by 2026-10-05.
DCISA description
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.
ARequired action
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.
RNotes and references
https://zammad.com/en/product/releases/ ; https://community.zammad.org/t/take-care-local-privilege-escalation-cve-2026-102490-is-reported-as-being-actively-exploited/21297/2 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-102489
FRecord
- CVE
- CVE-2026-102489
- Vendor
- Zammad GmbH (2 entries in KEV)
- Product
- Zammad (2 entries)
- Added to KEV
- Federal due date
- Past due date (2026-10-05)
- Remediation window
- 3 days
- Known ransomware use
- Unknown (not confirmed by CISA)
- CWE
- CWE-384
VOther Zammad GmbH entries in KEV
| CVE | Product | Added | Ransomware |
|---|---|---|---|
| CVE-2026-102490 | Zammad | Unknown |
This record repeats CISA's entry and is excluded from search indexes until an analyst note is added.
Source: CISA KEV catalog v2026.10.30, released 2026-10-30. Windows end 2026-10-30.