CVE-2026-74030

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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
2026-10-14T02:48:37Z
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":  [
        {
            "introduced":  "3.9.0"
        },
        {
            "fixed":  "4.14.8"
        }
    ],
    "source":  "AFFECTED_FIELD"
}

Database specific

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