CVE-2026-48162: Wazuh is a free and open source platform used for threat prevention, detection, and response

This month

CRITICAL 9.1UPGRADE

CVE-2026-48162 is a critical-severity flaw (CVSS 9.1) affecting wazuh. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Wazuh is a free and open source platform used for threat prevention, detection, and response. From 4.0.0 until 4.14.6 and 5.0.0-beta3, DistributedAPI.send_tmp_file() in framework/wazuh/core/cluster/dapi/dapi.py joins an attacker-controlled tmp_file value to WAZUH_PATH without canonicalization or confinement. A cluster peer holding the shared Fernet key can use traversal or an absolute path to make the master return any readable file over the clus

Why this priority

Critical severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	9.1 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.7% (top 49%)
CISA exploited list	No
Weakness	CWE-73
Published	2026-08-19
Last modified	2026-10-26

Publisher (CNA): GitHub, Inc. · Vendor: wazuh

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

Am I affected?

Timeline

2026-08-19 17:18 UTCPublished CVE record published
2026-10-26 11:10 UTCUpdated Record last modified

wazuh wazuh UPGRADE

Affected: >= 4.0.0 and < 4.14.6 · 5.0.0 beta1 · 5.0.0 beta2

Fixed in: 4.14.6

Safe to downgrade to: a release before 4.0.0

1. Check installed version

apt-cache policy wazuh || rpm -q wazuh || wazuh --version

2. UPGRADE to 4.14.6 (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.

3. If no update is available yet, DOWNGRADE to a release before 4.0.0 (Debian / Ubuntu)

apt-cache madison wazuh sudo apt install wazuh=<VERSION_BEFORE_4.0.0> sudo apt-mark hold wazuh

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list wazuh sudo dnf downgrade wazuh-<VERSION_BEFORE_4.0.0> sudo dnf versionlock add wazuh

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2026-48162?

wazuh: upgrade to 4.14.6. Exact commands for each OS are on this page.

Is CVE-2026-48162 being exploited?

CVE-2026-48162 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-2026-48162 affect?

CVE-2026-48162 affects wazuh. Severity is critical (CVSS 9.1). Wazuh is a free and open source platform used for threat prevention, detection, and response. From 4.0.0 until 4.14.6 and 5.0.0-beta3, DistributedAPI.send_tmp_file() in framework/wazuh/core/cluster/dapi/dapi.py joins an attacker-controlled

How urgent is CVE-2026-48162?

Priority 50/100. Critical severity; Public exploit reference

Software pages

Wazuh vulnerabilities

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References

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