5.3

CVE-2026-44256

Wazuh: CRLF Log Injection via Unsanitized Basic-Auth Username

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.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
Herstellerwazuh
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Produkt wazuh
Version >= 4.4.0, < 4.14.6
Status affected
Version >= 5.0.0-beta1, < 5.0.0-beta2
Status affected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.29% 0.213
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
security-advisories@github.com 5.3 3.9 1.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CWE-117 Improper Output Neutralization for Logs

The product constructs a log message from external input, but it does not neutralize or incorrectly neutralizes special elements when the message is written to a log file.

https://github.com/wazuh/wazuh/releases/tag/v4.14.6
https://github.com/wazuh/wazuh/releases/tag/v5.0.0-beta2
https://github.com/wazuh/wazuh/security/advisories/GHSA-c3m6-fp2h-wmr4
https://github.com/wazuh/wazuh/pull/35866
https://github.com/wazuh/wazuh/commit/cddf3fd16b0f945b28eb9c27714de3cc344e0926