Exploitation evidence
Known exploited · CISA KEV listed
Added 2026-10-02. Ransomware campaign use: Unknown.
CISA 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.
CISA due date: 2026-10-05. This is the catalog’s deadline, not an assessment of your organization’s exposure.
KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗Reported products and versions
Zammad GmbH / Zammad
Default status: unaffected
- affected: 1.5.0 to < 7.2.2 (semver)
- unknown: * to < 1.5.0 (semver)
- unaffected: 7.2.2 to < * (semver)
Fixes and workarounds
No explicit solution text in the downloaded CVE record. Consult the vendor advisory; unaffected version ranges are shown above as reported, not inferred as a patch recommendation.
Sources and related reporting
Observed change timeline
History begins when Egret first downloads each source. It is not the complete upstream CVE history.
12 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-12",
"epss": 0.10936,
"percentile": 0.95946
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.10936,
"percentile": 0.95919
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.10936,
"percentile": 0.95915
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.10936,
"percentile": 0.95913
}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.10936,
"percentile": 0.95911
}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.10936,
"percentile": 0.95905
}06 Nov 2026, 06:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.10936,
"percentile": 0.95902
}04 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-04",
"epss": 0.10936,
"percentile": 0.95898
}03 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-03",
"epss": 0.10936,
"percentile": 0.9589
}03 Nov 2026, 12:20 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
{
"containers": {
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"metrics": [
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"content": {
"id": "CVE-2026-102490",
"options": [
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"Exploitation": "active"
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{
"Automatable": "no"
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{
"Technical Impact": "total"
}
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"role": "CISA Coordinator",
"timestamp": "2026-10-02T00:00:00+00:00",
"version": "2.0.3"
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"type": "ssvc"
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"reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-102490"
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"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-102490"
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"lang": "en",
"time": "2026-10-02T00:00:00.000Z",
"value": "CVE-2026-102490 added to CISA KEV"
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"title": "CISA ADP Vulnrichment"
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"platforms": [
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"product": "Zammad",
"vendor": "Zammad GmbH",
"versions": [
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"status": "affected",
"version": "1.5.0",
"versionType": "semver"
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"credits": [
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"lang": "en",
"type": "finder",
"value": "Earth Grob (Merlon Security)"
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{
"lang": "en",
"type": "finder",
"value": "Luke Paris (Merlon Security)"
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{
"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)"
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{
"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)"
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{
"lang": "en",
"type": "analyst",
"value": "Frank Breedijk (DIVD)"
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{
"lang": "en",
"type": "remediation developer",
"value": "Zammad"
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"datePublic": "2026-09-29T20:00:00.000Z",
"descriptions": [
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"value": "Zammad packages built with packager.io (DEB and RPM) could have allowed a local attacker who already had file system write privileges as the unprivileged <code>zammad</code> service account to escalate to full <code>root</code> privileges on the host. Service processes began running as <code>root</code> and executed files that were owned and writable by the <code>zammad</code> account before dropping their identity to that account. An attacker holding that foothold could have escalated within seconds, because the affected services were restarted automatically whenever they stopped; no administrator interaction was required. Only installations from the DEB and RPM packages were affected — installations from source or the official container images were not. All released packaged versions were affected."
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}
],
"metrics": [
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"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
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"attackVector": "LOCAL",
"baseScore": 8.5,
"baseSeverity": "HIGH",
"exploitMaturity": "ATTACKED",
"privilegesRequired": "LOW",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
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"version": "4.0",
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"vulnIntegrityImpact": "HIGH",
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"attackVector": "NETWORK",
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"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnerabilityResponseEffort": "NOT_DEFINED"
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"scenarios": [
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"lang": "en",
"value": "Chained with CVE-2026-102489"
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"orgId": "b87402ff-ae37-4194-9dae-31abdbd6f217",
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"url": "https://csirt.divd.nl/CVE-2026-102490"
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"url": "https://zammad.com/en/advisories/cve-2026-102489-cve-2026-102490"
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"vendor-advisory",
"technical-description"
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"url": "https://github.com/zammad/zammad/security/advisories/GHSA-p97w-927q-8vxq"
}
],
"source": {
"advisory": "DIVD-2026-00015",
"discovery": "INTERNAL"
},
"tags": [
"x_known-exploited-vulnerability",
"x_open-source"
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"title": "Local privilege escalation in Zammad v1.5.0 to v7.2.2 installed via DEB or RPM package",
"x_generator": {
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"assignerShortName": "DIVD",
"cveId": "CVE-2026-102490",
"datePublished": "2026-09-30T16:21:20.601Z",
"dateReserved": "2026-09-29T09:46:12.490Z",
"dateUpdated": "2026-10-08T19:55:53.033Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}03 Nov 2026, 02:22 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-02",
"epss": 0.10936,
"percentile": 0.95885
}03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed
Stored KEV snapshot at this observation.
{
"cveID": "CVE-2026-102490",
"cwes": [
"CWE-269"
],
"dateAdded": "2026-10-02",
"dueDate": "2026-10-05",
"forensicTriage": "Yes",
"knownRansomwareCampaignUse": "Unknown",
"notes": "https://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",
"product": "Zammad",
"requiredAction": "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.",
"shortDescription": "Zammad GmbH Zammad contains an improper privilege management vulnerability that can allow the local zammad user to escalate privileges to root. This vulnerability can be chained with CVE-2026-102489.",
"vendorProject": "Zammad GmbH",
"vulnerabilityName": "Zammad GmbH Zammad Improper Privilege Management Vulnerability"
}