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CVE-2026-32983: Wazuh Manager authd service in wazuh-manager packages through version 4.7.3 contains an improper restriction o

35
Routine
MEDIUM 5.8REMOTEUPGRADE

CVE-2026-32983 is a medium-severity flaw (CVSS 5.8) affecting wazuh. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

  • Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score5.8 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance0.4% (top 62%)
CISA exploited listNo
WeaknessCWE-276
Published2026-03-27
Last modified2026-10-26
Publisher (CNA): VulnCheck · Vendor: wazuh

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Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

wazuh wazuh UPGRADE
Affected: <= 4.7.3
Fixed in: newer than 4.7.3
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy wazuh || rpm -q wazuh || wazuh --version
2. UPGRADE to newer than 4.7.3 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade wazuh
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade wazuh
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-32983?

wazuh: upgrade to newer than 4.7.3. Exact commands for each OS are on this page.

Is CVE-2026-32983 being exploited?

CVE-2026-32983 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-32983 affect?

CVE-2026-32983 affects wazuh. Severity is medium (CVSS 5.8). 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 excess

How urgent is CVE-2026-32983?

Priority 35/100. Remotely exploitable, no login, no user action

Software pages

Wazuh vulnerabilities

Related CVEs

References

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