What’s Vulnerable › Vulnerabilities

CVE-2025-15615: Wazuh Manager authd service Improper SSL/TLS Renegotiation Handling leading to Denial of Service

• Severity: high (CVSS 7.5 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: yes
• Published: 2026-03-27 · updated 2026-10-07
• Weakness: CWE-276

Description

Wazuh Manager authd service in wazuh-manager packages through version 4.7.3 contains an improper restriction of client-initiated SSL/TLS renegotiation vulnerability that allows remote attackers to cause a denial of service by sending excessive renegotiation requests. Attackers can exploit the lack of renegotiation limits to consume CPU resources and render the authd service unavailable.

Affected products

• wazuh: before 4.8.0 — fixed in 4.8.0

How to fix

Upgrade to a fixed version: wazuh 4.8.0. Check the vendor advisory for mitigations.

References

• https://github.com/wazuh/wazuh/security/advisories/GHSA-rr83-v9v7-jjhp
• https://www.vulncheck.com/advisories/ssl-tls-renegotiation-dos-in-wazuh-manager-authd-service

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