High severity · published Mar 27, 2026
CVE-2026-32983
SSL/TLS Renegotiation DoS in Wazuh Manager authd service
7.5
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 38% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WA
wazuh-manager · Wazuh
through 4.7.3 · source: vendor
WA
Wazuh · Wazuh
through 4.7.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-32983
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-32983
github.com
https://github.com/wazuh/wazuh/security/advisories/GHSA-rr83-v9v7-jjhp
Third Party Advisory
https://www.vulncheck.com/advisories/ssl-tls-renegotiation-dos-in-wazuh-manager-authd-service
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