{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-108683", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-10-10T21:22:18.046Z", "datePublished": "2026-10-11T14:30:23.145Z", "dateUpdated": "2026-10-11T14:30:23.145Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-10-11T14:30:23.145Z"}, "title": "zhayujie CowAgent Media Download memory allocation", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-789", "lang": "en", "description": "Uncontrolled Memory Allocation"}]}, {"descriptions": [{"type": "CWE", "cweId": "CWE-400", "lang": "en", "description": "Resource Consumption"}]}], "affected": [{"vendor": "zhayujie", "product": "CowAgent", "versions": [{"version": "2.1.0", "status": "affected"}, {"version": "2.1.1", "status": "affected"}, {"version": "2.1.2", "status": "affected"}, {"version": "2.1.3", "status": "affected"}, {"version": "2.1.4", "status": "affected"}, {"version": "2.1.5", "status": "affected"}, {"version": "2.1.6", "status": "affected"}, {"version": "2.1.7", "status": "affected"}, {"version": "2.1.8", "status": "affected"}, {"version": "2.1.9", "status": "affected"}, {"version": "2.2.0", "status": "unaffected"}], "cpes": ["cpe:2.3:a:zhayujie:cowagent:*:*:*:*:*:*:*:*"], "modules": ["Media Download Handler"]}], "descriptions": [{"lang": "en", "value": "A security vulnerability has been detected in zhayujie CowAgent up to 2.1.9. The impacted element is an unknown function of the component Media Download Handler. Such manipulation leads to uncontrolled memory allocation. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 2.2.0 is sufficient to resolve this issue. The name of the patch is b7967210268fc4c0afea1078223e74e7e96a8a54. You should upgrade the affected component."}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 5.3, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P", "baseSeverity": "MEDIUM"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 4.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C", "baseSeverity": "MEDIUM"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 4.3, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C", "baseSeverity": "MEDIUM"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 4, "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C"}}], "timeline": [{"time": "2026-10-10T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2026-10-10T02:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2026-10-10T23:27:33.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "pengguogood (VulDB User)", "type": "reporter"}], "references": [{"url": "https://vuldb.com/vuln/416391", "name": "VDB-416391 | zhayujie CowAgent Media Download memory allocation", "tags": ["vdb-entry"]}, {"url": "https://vuldb.com/vuln/416391/cti", "name": "VDB-416391 | CTI Indicators (IOB, IOC)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/cve/CVE-2026-108683", "name": "CVE-2026-108683 | CVE Analysis and Report", "tags": ["third-party-advisory"]}, {"url": "https://vuldb.com/submit/958015", "name": "Submit #958015 | zhayujie CowAgent 2.1.6 Denial of Service", "tags": ["third-party-advisory"]}, {"url": "https://github.com/lche511/cve/tree/main/CowAgent_Channel_Media_Download_DoS_Report", "tags": ["exploit"]}, {"url": "https://github.com/zhayujie/CowAgent/commit/b7967210268fc4c0afea1078223e74e7e96a8a54", "tags": ["patch"]}, {"url": "https://github.com/zhayujie/CowAgent/releases/tag/2.2.0", "tags": ["patch"]}, {"url": "https://github.com/zhayujie/CowAgent/", "tags": ["product"]}], "tags": ["x_open-source"], "x_generator": ["VulDB PVTS v202610"]}}}

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{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:zhayujie:cowagent:*:*:*:*:*:*:*:*"], "modules": ["Media Download Handler"], "product": "CowAgent", "vendor": "zhayujie", "versions": [{"status": "affected", "version": "2.1.0"}, {"status": "affected", "version": "2.1.1"}, {"status": "affected", "version": "2.1.2"}, {"status": "affected", "version": "2.1.3"}, {"status": "affected", "version": "2.1.4"}, {"status": "affected", "version": "2.1.5"}, {"status": "affected", "version": "2.1.6"}, {"status": "affected", "version": "2.1.7"}, {"status": "affected", "version": "2.1.8"}, {"status": "affected", "version": "2.1.9"}, {"status": "unaffected", "version": "2.2.0"}]}], "source": "cna@vuldb.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A security vulnerability has been detected in zhayujie CowAgent up to 2.1.9. The impacted element is an unknown function of the component Media Download Handler. Such manipulation leads to uncontrolled memory allocation. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 2.2.0 is sufficient to resolve this issue. The name of the patch is b7967210268fc4c0afea1078223e74e7e96a8a54. You should upgrade the affected component."}], "id": "CVE-2026-108683", "lastModified": "2026-10-11T15:16:52.780", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 4.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "cna@vuldb.com", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 2.1, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "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": "LOW", "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:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/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": "LOW", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}]}, "published": "2026-10-11T15:16:52.780", "references": [{"source": "cna@vuldb.com", "url": "https://github.com/lche511/cve/tree/main/CowAgent_Channel_Media_Download_DoS_Report"}, {"source": "cna@vuldb.com", "url": "https://github.com/zhayujie/CowAgent/"}, {"source": "cna@vuldb.com", "url": "https://github.com/zhayujie/CowAgent/commit/b7967210268fc4c0afea1078223e74e7e96a8a54"}, {"source": "cna@vuldb.com", "url": "https://github.com/zhayujie/CowAgent/releases/tag/2.2.0"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/cve/CVE-2026-108683"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/submit/958015"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/416391"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/416391/cti"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}, {"lang": "en", "value": "CWE-789"}], "source": "cna@vuldb.com", "type": "Primary"}]}

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