CVE-2026-44254

mediumpriority · track · 0EPSS 0.005 · 42 %ileDEUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.50% (42nd) EPSS

CVSS 5.3 · medium

Is it mine?

4 products

Check your exposure

Who says so?

2 sources

cert_bund · nvd

EPSS · scored 2026-10-27

Wazuh is a free and open source platform used for threat prevention, detection, and response. From 1.0.0 until 4.14.6 and 5.0.0-beta2, HandleSecureMessage() in src/remoted/secure.c passes a pointer inside its stack buffer to ReadSecMSG(), and src/os_crypto/shared/msgs.c decompresses up to OS_MAXSTR bytes at that offset. For an encrypted agent message on TCP port 1514 that expands to 65,536 bytes, os_zlib_uncompress() writes a terminating null byte beyond the end of the destination buffer. The resulting stack out-of-bounds write in the root-level remoted daemon can crash message processing and disrupt agent communications. This issue is fixed in versions 4.14.6 and 5.0.0-beta2.

cvss

Technical severity, 0–10. One row per scoring source.

5.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.15.3mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:Hsecondary · security-advisories@github.comexploitability 1.6 · impact 3.6

v3.14.9mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-131USCWE-787US

affected products (4)

Products and version ranges known to be affected.

Open Source Wazuh <4.14.6all versionscert_bundDE
Open Source Wazuh< 4.14.6cert_bundDE
wazuh wazuh1.0.0 → 4.14.6nvdUScpe:2.3:a:wazuh:wazuh:*:*:*:*:*:*:*:*
wazuh wazuh= 5.0.0nvdUScpe:2.3:a:wazuh:wazuh:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-2699Wazuh: Mehrere SchwachstellenDeutsch2026-08-06csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Wazuh ausnutzen, um beliebigen Programmcode auszuführen, um seine Privilegien zu erhöhen, um einen Denial of Service Angriff durchzuführen, um Informationen offenzulegen, um Dateien zu manipulieren, und um einen SQL-Injection Angriff durchzuführen.

sources

Which sources assert this record, and when.

cert_bund nvd NVD CVE.org MITRE

published 2026-08-19modified 2026-10-27

references (5) nvd

External citations — patches, advisories, analysis.

https://github.com/wazuh/wazuh/commit/96772487fbdecd43cc83e284ee7aeb45e3cfcd96Patch
https://github.com/wazuh/wazuh/pull/35773Issue TrackingPatch
https://github.com/wazuh/wazuh/releases/tag/v4.14.6Release Notes
https://github.com/wazuh/wazuh/releases/tag/v5.0.0-beta2Release Notes
https://github.com/wazuh/wazuh/security/advisories/GHSA-9wm4-fp6c-hqgqExploitVendor Advisory

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan