{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-44256", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-05T16:33:55.844Z", "datePublished": "2026-08-19T16:21:49.920Z", "dateUpdated": "2026-08-19T18:18:11.834Z"}, "containers": {"cna": {"title": "Wazuh: CRLF Log Injection via Unsanitized Basic-Auth Username", "problemTypes": [{"descriptions": [{"cweId": "CWE-117", "lang": "en", "description": "CWE-117: Improper Output Neutralization for Logs", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/wazuh/wazuh/security/advisories/GHSA-c3m6-fp2h-wmr4", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/wazuh/wazuh/security/advisories/GHSA-c3m6-fp2h-wmr4"}, {"name": "https://github.com/wazuh/wazuh/pull/35866", "tags": ["x_refsource_MISC"], "url": "https://github.com/wazuh/wazuh/pull/35866"}, {"name": "https://github.com/wazuh/wazuh/commit/cddf3fd16b0f945b28eb9c27714de3cc344e0926", "tags": ["x_refsource_MISC"], "url": "https://github.com/wazuh/wazuh/commit/cddf3fd16b0f945b28eb9c27714de3cc344e0926"}, {"name": "https://github.com/wazuh/wazuh/releases/tag/v4.14.6", "tags": ["x_refsource_MISC"], "url": "https://github.com/wazuh/wazuh/releases/tag/v4.14.6"}, {"name": "https://github.com/wazuh/wazuh/releases/tag/v5.0.0-beta2", "tags": ["x_refsource_MISC"], "url": "https://github.com/wazuh/wazuh/releases/tag/v5.0.0-beta2"}], "affected": [{"vendor": "wazuh", "product": "wazuh", "versions": [{"version": ">= 4.4.0, < 4.14.6", "status": "affected"}, {"version": ">= 5.0.0-beta1, < 5.0.0-beta2", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-19T16:21:49.920Z"}, "descriptions": [{"lang": "en", "value": "Wazuh is a free and open source platform used for threat prevention, detection, and response. From 4.4.0 until 4.14.6 and 5.0.0-beta2, api/api/middlewares.py decodes the Basic authentication username before credential validation and passes it to the access logger without neutralizing control characters. api/api/alogging.py interpolates that value into the plain-text API log. An unauthenticated attacker can include carriage returns or line feeds in the username to forge entries, obscure activity, or poison systems that consume the plain-text audit log. The JSON log format is not affected because JSON serialization escapes these characters. This issue is fixed in versions 4.14.6 and 5.0.0-beta2."}], "source": {"advisory": "GHSA-c3m6-fp2h-wmr4", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-08-19T18:17:23.310124Z", "id": "CVE-2026-44256", "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": "2026-08-19T18:18:11.834Z"}}]}}

{}

{"affected": [{"affectedData": [{"product": "wazuh", "vendor": "wazuh", "versions": [{"status": "affected", "version": ">= 4.4.0, < 4.14.6"}, {"status": "affected", "version": ">= 5.0.0-beta1, < 5.0.0-beta2"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Wazuh is a free and open source platform used for threat prevention, detection, and response. From 4.4.0 until 4.14.6 and 5.0.0-beta2, api/api/middlewares.py decodes the Basic authentication username before credential validation and passes it to the access logger without neutralizing control characters. api/api/alogging.py interpolates that value into the plain-text API log. An unauthenticated attacker can include carriage returns or line feeds in the username to forge entries, obscure activity, or poison systems that consume the plain-text audit log. The JSON log format is not affected because JSON serialization escapes these characters. This issue is fixed in versions 4.14.6 and 5.0.0-beta2."}], "id": "CVE-2026-44256", "lastModified": "2026-08-19T17:18:48.930", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-08-19T17:18:48.930", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/wazuh/wazuh/commit/cddf3fd16b0f945b28eb9c27714de3cc344e0926"}, {"source": "security-advisories@github.com", "url": "https://github.com/wazuh/wazuh/pull/35866"}, {"source": "security-advisories@github.com", "url": "https://github.com/wazuh/wazuh/releases/tag/v4.14.6"}, {"source": "security-advisories@github.com", "url": "https://github.com/wazuh/wazuh/releases/tag/v5.0.0-beta2"}, {"source": "security-advisories@github.com", "url": "https://github.com/wazuh/wazuh/security/advisories/GHSA-c3m6-fp2h-wmr4"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-117"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.4.0,4.14.6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.0.0-beta1,5.0.0-beta2)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "wazuh", "source": "cna", "vendor": "wazuh"}, "product": "wazuh", "vendor": "wazuh"}], "created": "2026-08-19T18:30:03.415397+00:00", "updated": "2026-08-19T18:30:03.415414+00:00", "vendors": ["wazuh", "wazuh$PRODUCT$wazuh"]}