{"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"}}]}}

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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,7.1.2)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "zammad", "source": "cna", "vendor": "zammad"}, "product": "zammad", "vendor": "zammad"}], "created": "2026-09-25T19:45:17.525208+00:00", "updated": "2026-09-26T10:00:15.095444+00:00", "vendors": ["zammad", "zammad$PRODUCT$zammad"]}