{"id":"CVE-2026-102490","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-102490","generatedAt":"2026-10-06T19:49:43.448Z","title":"Zammad GmbH Zammad Improper Privilege Management Vulnerability","description":"All versions of Zammad including the latest alpha enable the local zammad user to escalate privileges to root.","published":"2026-09-30T17:16:41.000Z","lastModified":"2026-10-03T04:18:00.000Z","status":"Analyzed","sourceIdentifier":"csirt@divd.nl","cvss":{"version":"4.0","score":9.4,"severity":"CRITICAL","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-269"],"affected":["zammad/zammad"],"epss":{"score":0.00629,"percentile":0.48354,"date":"2026-10-05","history":[{"date":"2026-10-01","score":0.00319,"percentile":0.22508}]},"kev":{"listed":true,"dateAdded":"2026-10-02","dueDate":"2026-10-05","knownRansomwareCampaignUse":"Unknown","notes":"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.\nhttps://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-2026-102490"},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 5 October 2026). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[{"kind":"kev","label":"Added to KEV","at":"2026-10-02T00:00:00.000Z","detail":{"name":"Zammad GmbH Zammad Improper Privilege Management Vulnerability","vendor":"Zammad GmbH","dueDate":"2026-10-05","product":"Zammad","ransomware":"Unknown"},"summary":"Added to CISA KEV — known to be exploited; federal remediation due 2026-10-05."},{"kind":"new","label":"New CVE","at":"2026-09-30T17:16:41.000Z","detail":{"score":"9.4","severity":"CRITICAL","publishedAt":"2026-09-30T17:16:40.707Z"},"summary":"New CVE, critical severity (CVSS 9.4)."}],"references":[{"url":"https://csirt.divd.nl/CVE-2026-102490","tags":["Third Party Advisory"],"source":"csirt@divd.nl"},{"url":"https://csirt.divd.nl/DIVD-2026-00015","tags":["Third Party Advisory"],"source":"csirt@divd.nl"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-102490","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-102490","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}