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vuln-cve/data/2026/84xxx/CVE-2026-84461.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-84461",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-09-01T20:05:09.424Z",
"datePublished": "2026-09-25T18:21:20.015Z",
"dateUpdated": "2026-09-25T18:41:14.822Z"
},
"containers": {
"cna": {
"title": "Zammad: Missing rate limiting allows password brute-forcing during two-factor login",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-203",
"lang": "en",
"description": "CWE-203: Observable Discrepancy",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-307",
"lang": "en",
"description": "CWE-307: Improper Restriction of Excessive Authentication Attempts",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-799",
"lang": "en",
"description": "CWE-799: Improper Control of Interaction Frequency",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "NONE",
"vulnAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"baseScore": 6.9,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
"version": "4.0"
}
}
],
"references": [
{
"name": "https://github.com/zammad/zammad/security/advisories/GHSA-6vh5-pfp2-5rmh",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/zammad/zammad/security/advisories/GHSA-6vh5-pfp2-5rmh"
},
{
"name": "https://github.com/zammad/zammad/commit/d51254f1c6da13f6ee27636a5c82e53f7e59666b",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/zammad/zammad/commit/d51254f1c6da13f6ee27636a5c82e53f7e59666b"
}
],
"affected": [
{
"vendor": "zammad",
"product": "zammad",
"versions": [
{
"version": "< 7.1.2",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-09-25T18:21:20.015Z"
},
"descriptions": [
{
"lang": "en",
"value": "Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, the two-factor login step let an attacker try unlimited password guesses for any account without triggering Zammad's normal lockout or rate limiting. The response also revealed whether a guess was correct, even before two-factor authentication was checked. This made it possible to brute-force weak or reused passwords. This issue is fixed in version 7.1.2."
}
],
"source": {
"advisory": "GHSA-6vh5-pfp2-5rmh",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-09-25T18:41:07.364423Z",
"id": "CVE-2026-84461",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-09-25T18:41:14.822Z"
}
}
]
}
}