What’s Vulnerable › Vulnerabilities

CVE-2026-74037: Wazuh 4.0.0 before 4.14.8 Session Invalidation Bypass in check_token

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-13 · updated 2026-10-18
• Weakness: CWE-613

Description

Wazuh 4.0.0 before 4.14.8 fails to invalidate issued tokens for run_as users with zero static roles, because check_token never consults the blacklist. Attackers with revoked administrator grants can continue authenticating and self-link the administrator role to permanently retain privileged access.

Affected products

• wazuh: from 4.0.0 before 4.14.8 — fixed in 4.14.8

How to fix

Upgrade to a fixed version: wazuh 4.14.8. Check the vendor advisory for mitigations.

References

• https://github.com/wazuh/wazuh/releases/tag/v4.14.8
• https://github.com/wazuh/wazuh/security/advisories/GHSA-3xm6-wp5v-2fm9
• https://www.vulncheck.com/advisories/wazuh-4.0.0-before-4.14.8-session-invalidation-bypass-in-check-token
• https://github.com/wazuh/wazuh/security/advisories/GHSA-3xm6-wp5v-2fm9

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