{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-102489", "assignerOrgId": "b87402ff-ae37-4194-9dae-31abdbd6f217", "state": "PUBLISHED", "assignerShortName": "DIVD", "dateReserved": "2026-09-29T09:46:12.490Z", "datePublished": "2026-09-30T16:21:19.937Z", "dateUpdated": "2026-10-10T03:55:20.097Z" }, "containers": { "cna": { "affected": [ { "defaultStatus": "unaffected", "platforms": [ "Linux", "Docker" ], "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" } ] } ], "credits": [ { "lang": "en", "type": "finder", "value": "Earth Grob (Merlon Security)" }, { "lang": "en", "type": "finder", "value": "Luke Paris (Merlon Security)" }, { "lang": "en", "type": "finder", "value": "Tijmen van der Spijk (Merlon Security)" }, { "lang": "en", "type": "finder", "value": "Zohar Cochavi (Merlon Security)" }, { "lang": "en", "type": "finder", "value": "Alje Woltjer (Merlon Security)" }, { "lang": "en", "type": "finder", "value": "Mischa Rick van Geelen (DIVD)" }, { "lang": "en", "type": "finder", "value": "Ralph Horn (DIVD)" }, { "lang": "en", "type": "finder", "value": "Max van der Horst (DIVD)" }, { "lang": "en", "type": "analyst", "value": "Victor Pasman (DIVD)" }, { "lang": "en", "type": "analyst", "value": "Frank Breedijk (DIVD)" }, { "lang": "en", "value": "Zammad", "type": "remediation developer" } ], "datePublic": "2026-09-29T20:00:00.000Z", "descriptions": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "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." } ], "value": "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." } ], "metrics": [ { "cvssV4_0": { "Automatable": "YES", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 8.7, "baseSeverity": "HIGH", "exploitMaturity": "ATTACKED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "LOW", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "PASSIVE", "valueDensity": "CONCENTRATED", "vectorString": "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", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED" }, "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ] }, { "cvssV4_0": { "Automatable": "YES", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 9.4, "baseSeverity": "CRITICAL", "exploitMaturity": "ATTACKED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "userInteraction": "PASSIVE", "valueDensity": "CONCENTRATED", "vectorString": "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/AU:Y/V:C", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED" }, "format": "CVSS", "scenarios": [ { "lang": "en", "value": "Chained with CVE-2026-102490" } ] } ], "providerMetadata": { "orgId": "b87402ff-ae37-4194-9dae-31abdbd6f217", "shortName": "DIVD", "dateUpdated": "2026-10-08T19:55:51.821Z" }, "references": [ { "tags": [ "third-party-advisory" ], "url": "https://csirt.divd.nl/DIVD-2026-00015" }, { "tags": [ "third-party-advisory" ], "url": "https://csirt.divd.nl/CVE-2026-102489" }, { "tags": [ "vendor-advisory" ], "url": "https://zammad.com/en/advisories/cve-2026-102489-cve-2026-102490" }, { "tags": [ "technical-description" ], "url": "https://community.zammad.org/t/take-care-local-privilege-escalation-cve-2026-102490-is-reported-as-being-actively-exploited/21297/2" } ], "source": { "advisory": "DIVD-2026-00015", "discovery": "INTERNAL" }, "tags": [ "unsupported-when-assigned", "x_known-exploited-vulnerability", "x_open-source" ], "title": "Undisclosed RCE in Zammad v6.3 and higher", "x_generator": { "engine": "Vulnogram 1.0.5" } }, "adp": [ { "problemTypes": [ { "descriptions": [ { "type": "CWE", "cweId": "CWE-384", "lang": "en", "description": "CWE-384 Session Fixation" } ] } ], "references": [ { "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-102489", "tags": [ "government-resource" ] } ], "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-10-02T00:00:00+00:00", "options": [ { "Exploitation": "active" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-102489" } } }, { "other": { "type": "kev", "content": { "dateAdded": "2026-10-02", "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-102489" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-10T03:55:20.097Z" } } ] } }