CVE-2026-32983
CVE-2026-32983 is a medium-severity vulnerability in Wazuh with a CVSS 3.x base score of 5.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-276.
Key facts
- Severity: Medium (CVSS 3.x base score 5.8)
- CVSS v4: 6.9
- EPSS exploit prediction: 0% (34th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-16686
- Weakness: CWE-276
- Affected product: Wazuh
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2026-32983?
- 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.
- How severe is CVE-2026-32983?
- CVE-2026-32983 has a CVSS 3.x base score of 5.8, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
- Is CVE-2026-32983 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-32983?
- CVE-2026-32983 affects Wazuh. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-32983?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-32983 have an EU (EUVD) identifier?
- Yes. CVE-2026-32983 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-16686.
- When was CVE-2026-32983 published?
- CVE-2026-32983 was published on 2026-03-27 and last updated on 2026-06-17.
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
Affected products (1)
- cpe:2.3:a:wazuh:wazuh:*:*:*:*:*:*:*:*
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