{"id":"CVE-2026-74030","revision":"f88d4dc36d7d4a9293919988b40a885b","records":[{"revision":"f88d4dc36d7d4a9293919988b40a885b","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-74030","aliases":[],"title":"Wazuh 3.9.0 before 4.14.8 Memory Exhaustion via SCA YAML Alias Expansion","description":"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.","state":0,"publishedAt":"2026-10-13T13:27:25.427+00:00","modifiedAt":"2026-10-13T16:43:37.4+00:00","affected":[{"ecosystem":"Vendor product","name":"wazuh-agent","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Wazuh\",\n                    \"product\": \"wazuh-agent\",\n                    \"packageURL\": \"pkg:github/wazuh/wazuh\",\n                    \"repo\": \"https://github.com/wazuh/wazuh\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"3.9.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"4.14.8\"\n                        },\n                        {\n                            \"version\": \"4.14.8\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"wazuh-manager","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Wazuh\",\n                    \"product\": \"wazuh-manager\",\n                    \"packageURL\": \"pkg:github/wazuh/wazuh\",\n                    \"repo\": \"https://github.com/wazuh/wazuh\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"3.9.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"4.14.8\"\n                        },\n                        {\n                            \"version\": \"4.14.8\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"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","score":6.9,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","score":4.9,"severity":"MEDIUM"}],"references":["https://github.com/wazuh/wazuh/security/advisories/GHSA-x8v7-g49q-ff7j","https://github.com/wazuh/wazuh/releases/tag/v4.14.8","https://www.vulncheck.com/advisories/wazuh-3.9.0-before-4.14.8-memory-exhaustion-via-sca-yaml-alias-expansion"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-74030","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-74030","identifiers":["CVE-2026-74030"]},"retained":false,"historicalAffected":[]}],"coverage":[]}