CVE-2026-74030

See a problem?
Please try reporting it to the source first.

Source

https://cve.org/CVERecord?id=CVE-2026-74030

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-74030.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-74030

Aliases

GHSA-x8v7-g49q-ff7j

Published

2026-10-13T13:27:25Z

Modified

2026-10-28T02:31:05Z

Severity

6.9 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVSS Calculator

Summary

Wazuh 3.9.0 before 4.14.8 Memory Exhaustion via SCA YAML Alias Expansion

Details

Wazuh from 3.9.0 before 4.14.8 contains an uncontrolled YAML alias expansion vulnerability in yaml2json_node that allows a manager-controlled policy to exhaust agent memory. Attackers controlling the manager can push a small SCA policy with nested aliases via merged.mg to OOM-kill wazuh-modulesd on every agent in a group.

Database specific

{
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
        "CWE-776"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74030.json"
}

References

Affected packages

Git / github.com/wazuh/wazuh

Affected ranges

Type

GIT

Repo

https://github.com/wazuh/wazuh

Events

Introduced

18bac2de69f5a37e5c3c4e2dfbce5a0093042ea7

Fixed

f470ad7db717b18db7feeed568949643698f0f34

Database specific

Show details

{
    "extracted_events": [
        {
            "range": [
                {
                    "introduced": "3.9.0"
                },
                {
                    "fixed": "4.14.8"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandardRange"
        },
        {
            "original_tag": "v4.14.8",
            "range": [
                {
                    "fixed": "f470ad7db717b18db7feeed568949643698f0f34"
                }
            ],
            "source": "REFERENCES_TAG"
        },
        {
            "range": [
                {
                    "introduced": "3.9.0"
                },
                {
                    "fixed": "4.14.8"
                }
            ],
            "source": "DESCRIPTION"
        }
    ]
}

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-74030.json"