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CVE-2026-74039 - Wazuh 4.0.0 4.14.7 API DoS via Deeply Nested JSON auth_context

CVE ID : CVE-2026-74039 Published : Aug. 18, 2026, 6:19 p. m. • 48 minutes ago Description : Wazuh 4. 0. 0 before 4. 14. 7 and 5. 0. 0-beta2 contain a denial of service vulnerability that allows authenticated attackers with allow_run_as enabled to exhaust CPU resources by submitting arbitrarily deeply nested JSON structures to the POST /security/user/authenticate/run_as endpoint. Attackers can repeatedly submit malformed auth_context bodies with unlimited nesting depth to cause the API framework to consume excessive CPU, denying service to all other API consumers. Severity: 7.1 • HIGH Visit the link for more details, such as CVSS details, affected products, timeline, and more...

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