Description
Zammad versions 6.3.0 to 6.5.4 are vulnerable a session hijack vulnerability that leads to remote code execution as the zammad user. The bug is also present in version 7.0.0 to version 7.1.2, but not exploitable due to changes in the underlying framework.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Zammad GmbH Zammad
Default version status: unaffected
* to < 6.3.0unknown6.3.0 to < 6.5.4affected7.0.0 to < 7.1.3unknown
References
- https://csirt.divd.nl/DIVD-2026-00015 ↗
- https://csirt.divd.nl/CVE-2026-102489 ↗
- https://zammad.com/en/advisories/cve-2026-102489-cve-2026-102490 ↗
- https://community.zammad.org/t/take-care-local-privilege-escalation-cve-2026-102490-is-reported-as-being-actively-exploited/21297/2 ↗
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-102489 ↗