CVE-2026-74030

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-74030", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-08-14T14:06:40.511Z", "datePublished": "2026-10-13T13:27:25.427Z", "dateUpdated": "2026-10-13T16:43:37.400Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-13T13:27:25.427Z"}, "datePublic": "2026-10-13T00:00:00.000Z", "title": "Wazuh 3.9.0 before 4.14.8 Memory Exhaustion via SCA YAML Alias Expansion", "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')", "cweId": "CWE-776", "type": "CWE"}]}], "affected": [{"vendor": "Wazuh", "product": "wazuh-agent", "packageURL": "pkg:github/wazuh/wazuh", "repo": "https://github.com/wazuh/wazuh", "defaultStatus": "unaffected", "versions": [{"version": "3.9.0", "status": "affected", "versionType": "semver", "lessThan": "4.14.8"}, {"version": "4.14.8", "status": "unaffected", "versionType": "semver"}]}, {"vendor": "Wazuh", "product": "wazuh-manager", "packageURL": "pkg:github/wazuh/wazuh", "repo": "https://github.com/wazuh/wazuh", "defaultStatus": "unaffected", "versions": [{"version": "3.9.0", "status": "affected", "versionType": "semver", "lessThan": "4.14.8"}, {"version": "4.14.8", "status": "unaffected", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:wazuh:wazuh:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.9.0", "versionEndExcluding": "4.14.8"}]}]}, {"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:wazuh:wazuh:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.9.0", "versionEndExcluding": "4.14.8"}]}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "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", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "HIGH", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 6.9, "baseSeverity": "MEDIUM"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 4.9, "baseSeverity": "MEDIUM"}}], "references": [{"url": "https://github.com/wazuh/wazuh/security/advisories/GHSA-x8v7-g49q-ff7j", "tags": ["vendor-advisory"], "name": "GitHub Security Advisory (GHSA-x8v7-g49q-ff7j)"}, {"url": "https://github.com/wazuh/wazuh/releases/tag/v4.14.8", "name": "Wazuh v4.14.8 Release Notes", "tags": ["patch", "release-notes"]}, {"name": "VulnCheck Advisory: Wazuh 3.9.0 before 4.14.8 Memory Exhaustion via SCA YAML Alias Expansion", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/wazuh-3.9.0-before-4.14.8-memory-exhaustion-via-sca-yaml-alias-expansion"}], "credits": [{"lang": "en", "value": "karasu-hakira", "type": "reporter"}, {"lang": "en", "value": "vikman90", "type": "analyst"}], "x_generator": {"engine": "vulncheck-endgame"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-13T15:47:51.914553Z", "id": "CVE-2026-74030", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-13T16:43:37.400Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-74030", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-13T15:47:51.914553Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-13T15:47:52.791Z"}}], "cna": {"title": "Wazuh 3.9.0 before 4.14.8 Memory Exhaustion via SCA YAML Alias Expansion", "credits": [{"lang": "en", "type": "reporter", "value": "karasu-hakira"}, {"lang": "en", "type": "analyst", "value": "vikman90"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "baseScore": 6.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "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", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "HIGH", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE"}}, {"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "NONE"}}], "affected": [{"repo": "https://github.com/wazuh/wazuh", "vendor": "Wazuh", "product": "wazuh-agent", "versions": [{"status": "affected", "version": "3.9.0", "lessThan": "4.14.8", "versionType": "semver"}, {"status": "unaffected", "version": "4.14.8", "versionType": "semver"}], "packageURL": "pkg:github/wazuh/wazuh", "defaultStatus": "unaffected"}, {"repo": "https://github.com/wazuh/wazuh", "vendor": "Wazuh", "product": "wazuh-manager", "versions": [{"status": "affected", "version": "3.9.0", "lessThan": "4.14.8", "versionType": "semver"}, {"status": "unaffected", "version": "4.14.8", "versionType": "semver"}], "packageURL": "pkg:github/wazuh/wazuh", "defaultStatus": "unaffected"}], "datePublic": "2026-10-13T00:00:00.000Z", "references": [{"url": "https://github.com/wazuh/wazuh/security/advisories/GHSA-x8v7-g49q-ff7j", "name": "GitHub Security Advisory (GHSA-x8v7-g49q-ff7j)", "tags": ["vendor-advisory"]}, {"url": "https://github.com/wazuh/wazuh/releases/tag/v4.14.8", "name": "Wazuh v4.14.8 Release Notes", "tags": ["patch", "release-notes"]}, {"url": "https://www.vulncheck.com/advisories/wazuh-3.9.0-before-4.14.8-memory-exhaustion-via-sca-yaml-alias-expansion", "name": "VulnCheck Advisory: Wazuh 3.9.0 before 4.14.8 Memory Exhaustion via SCA YAML Alias Expansion", "tags": ["third-party-advisory"]}], "x_generator": {"engine": "vulncheck-endgame"}, "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-776", "description": "Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')"}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:wazuh:wazuh:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "4.14.8", "versionStartIncluding": "3.9.0"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:wazuh:wazuh:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "4.14.8", "versionStartIncluding": "3.9.0"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-13T13:27:25.427Z"}}}, "cveMetadata": {"cveId": "CVE-2026-74030", "state": "PUBLISHED", "dateUpdated": "2026-10-13T16:43:37.400Z", "dateReserved": "2026-08-14T14:06:40.511Z", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "datePublished": "2026-10-13T13:27:25.427Z", "assignerShortName": "VulnCheck"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageURL": "pkg:github/wazuh/wazuh", "product": "wazuh-agent", "repo": "https://github.com/wazuh/wazuh", "vendor": "Wazuh", "versions": [{"lessThan": "4.14.8", "status": "affected", "version": "3.9.0", "versionType": "semver"}, {"status": "unaffected", "version": "4.14.8", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "packageURL": "pkg:github/wazuh/wazuh", "product": "wazuh-manager", "repo": "https://github.com/wazuh/wazuh", "vendor": "Wazuh", "versions": [{"lessThan": "4.14.8", "status": "affected", "version": "3.9.0", "versionType": "semver"}, {"status": "unaffected", "version": "4.14.8", "versionType": "semver"}]}], "source": "disclosure@vulncheck.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-74030", "lastModified": "2026-10-13T20:39:48.767", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 4.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 3.6, "source": "disclosure@vulncheck.com", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.9, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "HIGH", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-74030", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-13T15:47:51.914553Z", "version": "2.0.3"}}]}, "published": "2026-10-13T14:17:39.470", "references": [{"source": "disclosure@vulncheck.com", "url": "https://github.com/wazuh/wazuh/releases/tag/v4.14.8"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/wazuh/wazuh/security/advisories/GHSA-x8v7-g49q-ff7j"}, {"source": "disclosure@vulncheck.com", "url": "https://www.vulncheck.com/advisories/wazuh-3.9.0-before-4.14.8-memory-exhaustion-via-sca-yaml-alias-expansion"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-776"}], "source": "disclosure@vulncheck.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": null}], "enrichment": {"confidence": 90.0, "confidence_source": "inferred", "scores": [{"score": 90.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "product": "wazuh", "vendor": "wazuh"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[3.9.0,4.14.8)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "4.14.8"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "wazuh-agent", "source": "cna", "vendor": "Wazuh"}, "product": "wazuh-agent", "vendor": "wazuh"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[3.9.0,4.14.8)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "4.14.8"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "wazuh-manager", "source": "cna", "vendor": "Wazuh"}, "product": "wazuh-manager", "vendor": "wazuh"}], "created": "2026-10-13T15:15:15.292579+00:00", "updated": "2026-10-13T20:15:14.049584+00:00", "vendors": ["wazuh", "wazuh$PRODUCT$wazuh", "wazuh$PRODUCT$wazuh-agent", "wazuh$PRODUCT$wazuh-manager"]}