CVE-2026-102490Vulnerability
Zammad GmbH Zammad Improper Privilege Management Vulnerability
Reported by 10 independent sources · first reported by NCSC-NL advisories · last reported
Last reported 12 days ago
Fix due 5 Oct 2026
Used by ransomware: not knownCISA KEV catalogue
higher than 45% of CVEsFIRST EPSS, as of 23 Oct 2026
What the reports say
14 reports, newest first · the exact sentence from each-
⚡ Weekly Recap: Helpdesk 0-Days, Rogue Certs, ShinyHunters Arrest, AI-Fooling Malware and More“According to Horizon3.ai and Sysdig, CVE-2026-102489 is a remote code execution flaw affecting versions 6.3.0 to 6.5.4, while CVE-2026-102490 is a local privilege escalation (LPE) flaw affecting all versions from 1.5.0 to 7.1.0-alpha.”
-
CVE-2026-102489 | Technical Details“DIVD reports that attackers chained this vulnerability with CVE-2026-102490 to escalate privileges to root.”
-
Zammad CVE-2026-102489: Session Leak to RCE“CVE-2026-102490 – A privilege escalation that allows escalating to root”
-
⚡ Weekly Recap: NetScaler and FortiMail 0-Days, AI Coding Leaks, Spectre v2 and Ransomware Arrests“…4, CVE-2026-102105, CVE-2026-102106, CVE-2026-102115, CVE-2026-102095, CVE-2026-85066, CVE-2026-85065 (Kiteworks), CVE-2026-102489, CVE-2026-102490 (Zammad), CVE-2026-63292, CVE-2026-42356, CVE-2026-42528 (Apache HTTP Server), CVE-2026-101898, CVE-2026-101901, CVE-2026-101909, CV…”
-
Bulletin d'actualité CERTFR-2026-ACT-042 (05 octobre 2026)“CVE-2026-102490”
-
U.S. CISA adds Zammad GmbH Zammad flaws to its Known Exploited Vulnerabilities catalog“CVE-2026-102490 (CVSS score of 9.4) Zammad GmbH Zammad Improper Privilege Management Vulnerability”
-
CISA Adds Two Known Exploited Vulnerabilities to Catalog“CVE-2026-102490 Zammad GmbH Zammad Improper Privilege Management Vulnerability”
-
Two Zero-Days Exploited in Attack on Dutch Institute for Vulnerability Disclosure“The vulnerabilities exploited in the attack are remote code execution bug CVE-2026-102489 and elevation of privileges flaw CVE-2026-102490, both of which have a CVSS score of 9.4 when chained.”
-
AI agents hacked the hackers, stealing email addresses from security research org“They are CVE-2026-102489 and CVE-2026-102490, and both bugs received CVSS 4.0 scores of 9.4, when assessed in the chained attack scenario.”
-
ThreatsDay: AI-Powered Zero-Day Chain, 543K Live Secrets, Model Inspection RCE and 13 More Stories“Two zero-day vulnerabilities in the open-source Zammad ticketing system, CVE-2026-102489 and CVE-2026-102490, have been chained by threat actors to break into the Dutch Institute for Vulnerability Disclosure (DIVD).”
-
AI agent used Zammad zero-days to breach Dutch vulnerability disclosure non-profit“CVE-2026-102490, a privilege elevation vulnerability, allows authenticated attackers with low privileges (the local zammad user) to achieve root on the vulnerable system.”
-
Zammad Zero-Days Exploited in AI-Powered DIVD Hack“The second, CVE-2026-102490 (CVSS score of 9.4), allows a local user to elevate their privileges to root.”
-
AI Agent Chains Zammad Zero-Days To Take Over DIVD Systems in Seconds“Working with Merlon Security, DIVD identified two previously unknown vulnerabilities, tracked as CVE-2026-102489 and CVE-2026-102490.”
-
NCSC-2026-0396 [1.00] [H/H] Kwetsbaarheden aangetroffen in Zammad“De tweede kwetsbaarheid heeft het kenmerk CVE-2026-102490 toegekend gekregen.”
Indicators reported together
named in the same reports- csirt.divd[.]nlin 2 reports
- www.moxa[.]comin 1 report
Copy these 2 indicators · defanged
Also named with it: CVE-2026-102489, CVE-2026-89078, CVE-2026-93577, CVE-2026-102331, CVE-2026-76504, CVE-2026-104286, CVE-2026-88779, CVE-2026-81963, CVE-2026-81578, CVE-2026-82078, CVE-2026-73581, CVE-2026-75973, CVE-2026-76183, CVE-2026-77791, CVE-2026-78383, CVE-2026-78437, CVE-2026-79677, CVE-2026-86248
Thanks — we review every report.