{"id":"CVE-2026-102489","title":"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","summary":"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 vulnerability is also present in version 7.0.0 to version 7.1.3, but not exploitable due to environm…","severity":"high","cvss":8.7,"cvssVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:A/AU:Y/V:C","vendor":"Zammad GmbH","product":"Zammad","affected":["Zammad >= 6.3.0 < 6.5.4"],"published":"2026-09-30","updated":"2026-09-30","sourceUpdated":"2026-09-30T17:16:40.550","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-102489","references":[{"url":"https://csirt.divd.nl/CVE-2026-102489","label":"csirt@divd.nl"},{"url":"https://csirt.divd.nl/DIVD-2026-00015","label":"csirt@divd.nl"}],"tags":["nvd","cve.org"],"cvssSource":"cna","ingestedAt":"2026-09-30T17:13:20.840Z","slug":"CVE-2026-102489","body":"## Overview\n\nZammad 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 vulnerability is also present in version 7.0.0 to version 7.1.3, but not exploitable due to environment conditions.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":48,"depthScoreParts":{"impact":47.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}