{"schema":"threatline.record/2","record":{"id":"CVE-2026-102489","aliases":[],"summary":"Zammad GmbH Zammad Session Fixation Vulnerability","details":"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.","categories":["Applications & CMS"],"product":"Zammad","vendor":"Zammad GmbH","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-102489","source_modified_at":"2026-10-19T09:10:59.656Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"Zammad","vendor":"Zammad GmbH","versions":[{"lessThan":"6.3.0","status":"unknown","version":"*","versionType":"semver"},{"lessThan":"6.5.4","status":"affected","version":"6.3.0","versionType":"semver"},{"lessThan":"7.1.3","status":"unknown","version":"7.0.0","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-102489","source_modified_at":"2026-10-19T09:10:59.656Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"Zammad","ecosystem":null},"version":"6.5.4","basis":"first unaffected version stated in the CVE record"}],"cvss":8.7,"severity":"High","kev":{"listed":true,"date_added":"2026-10-02","due_date":"2026-10-05","required_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.","ransomware_campaign_use":"Unknown","forensic_triage":true},"epss":{"probability":0.01255,"percentile":0.69301,"score_date":"2026-10-23"},"published_at":"2026-09-30T16:21:19.937Z","modified_at":"2026-10-19T09:10:59.656Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-102489","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-19T09:10:59.656Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-102489","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","EPSS"],"references":[{"url":"https://zammad.com/en/product/releases/","source":"CISA KEV"},{"source":"CVE List","url":"https://community.zammad.org/t/take-care-local-privilege-escalation-cve-2026-102490-is-reported-as-being-actively-exploited/21297/2","tags":["technical-description"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-102489","source":"CISA KEV"},{"source":"CVE List","url":"https://csirt.divd.nl/DIVD-2026-00015","tags":["third-party-advisory"]},{"source":"CVE List","url":"https://csirt.divd.nl/CVE-2026-102489","tags":["third-party-advisory"]},{"source":"CVE List","url":"https://zammad.com/en/advisories/cve-2026-102489-cve-2026-102490","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-102489","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"active","automatable":"no","technical_impact":"total","assessed_at":"2026-10-02T00:00:00+00:00"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-19T09:10:59.656Z","content_hash":"015a61292b28538be54b3cdda81c109e306a3ed4c5ab81c7657e34eda744bc54"}}