CVE-2026-8758

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-8758", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-05-16T17:41:11.004Z", "datePublished": "2026-05-17T13:45:36.564Z", "dateUpdated": "2026-05-18T10:41:54.257Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-05-17T13:45:36.564Z"}, "title": "Metasoft \u7f8e\u7279\u8f6f\u4ef6 MetaCRM upload3.jsp unrestricted upload", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-434", "lang": "en", "description": "Unrestricted Upload"}]}, {"descriptions": [{"type": "CWE", "cweId": "CWE-284", "lang": "en", "description": "Improper Access Controls"}]}], "affected": [{"vendor": "Metasoft \u7f8e\u7279\u8f6f\u4ef6", "product": "MetaCRM", "versions": [{"version": "6.4.0 Beta06", "status": "affected"}], "cpes": ["cpe:2.3:a:metasoft_:metacrm:*:*:*:*:*:*:*:*"]}], "descriptions": [{"lang": "en", "value": "A vulnerability was determined in Metasoft \u7f8e\u7279\u8f6f\u4ef6 MetaCRM up to 6.4.0 Beta06. This impacts an unknown function of the file /common/jsp/upload3.jsp. Executing a manipulation of the argument File can lead to unrestricted upload. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way."}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 6.9, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P", "baseSeverity": "MEDIUM"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 7.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R", "baseSeverity": "HIGH"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 7.3, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R", "baseSeverity": "HIGH"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR"}}], "timeline": [{"time": "2026-05-16T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2026-05-16T02:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2026-05-16T19:46:15.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "red88-debug (VulDB User)", "type": "reporter"}, {"lang": "en", "value": "VulDB CNA Team", "type": "coordinator"}], "references": [{"url": "https://vuldb.com/vuln/364385", "name": "VDB-364385 | Metasoft \u7f8e\u7279\u8f6f\u4ef6 MetaCRM upload3.jsp unrestricted upload", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/364385/cti", "name": "VDB-364385 | CTI Indicators (IOB, IOC, TTP, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/submit/811283", "name": "Submit #811283 | Beijing Meite Software Technology Co., Ltd. MetaCRM6 6.4.0 Beta06 CWE-434 (Unrestricted Upload of File with Dangerous Type)", "tags": ["third-party-advisory"]}, {"url": "https://ucn9h68n9289.feishu.cn/wiki/XmoNwpJjJiQrBtkLMitccF56ntb", "tags": ["exploit"]}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-05-18T10:41:38.264789Z", "id": "CVE-2026-8758", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"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": "2026-05-18T10:41:54.257Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"cna": {"title": "Metasoft \u7f8e\u7279\u8f6f\u4ef6 MetaCRM upload3.jsp unrestricted upload", "credits": [{"lang": "en", "type": "reporter", "value": "red88-debug (VulDB User)"}, {"lang": "en", "type": "coordinator", "value": "VulDB CNA Team"}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 6.9, "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 7.3, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 7.3, "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR"}}], "affected": [{"cpes": ["cpe:2.3:a:metasoft_:metacrm:*:*:*:*:*:*:*:*"], "vendor": "Metasoft \u7f8e\u7279\u8f6f\u4ef6", "product": "MetaCRM", "versions": [{"status": "affected", "version": "6.4.0 Beta06"}]}], "timeline": [{"lang": "en", "time": "2026-05-16T00:00:00.000Z", "value": "Advisory disclosed"}, {"lang": "en", "time": "2026-05-16T02:00:00.000Z", "value": "VulDB entry created"}, {"lang": "en", "time": "2026-05-16T19:46:15.000Z", "value": "VulDB entry last update"}], "references": [{"url": "https://vuldb.com/vuln/364385", "name": "VDB-364385 | Metasoft \u7f8e\u7279\u8f6f\u4ef6 MetaCRM upload3.jsp unrestricted upload", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/364385/cti", "name": "VDB-364385 | CTI Indicators (IOB, IOC, TTP, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/submit/811283", "name": "Submit #811283 | Beijing Meite Software Technology Co., Ltd. MetaCRM6 6.4.0 Beta06 CWE-434 (Unrestricted Upload of File with Dangerous Type)", "tags": ["third-party-advisory"]}, {"url": "https://ucn9h68n9289.feishu.cn/wiki/XmoNwpJjJiQrBtkLMitccF56ntb", "tags": ["exploit"]}], "descriptions": [{"lang": "en", "value": "A vulnerability was determined in Metasoft \u7f8e\u7279\u8f6f\u4ef6 MetaCRM up to 6.4.0 Beta06. This impacts an unknown function of the file /common/jsp/upload3.jsp. Executing a manipulation of the argument File can lead to unrestricted upload. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-434", "description": "Unrestricted Upload"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-284", "description": "Improper Access Controls"}]}], "providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-05-17T13:45:36.564Z"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-8758", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-05-18T10:41:38.264789Z"}}}], "providerMetadata": {"shortName": "CISA-ADP", "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "dateUpdated": "2026-05-18T10:41:47.594Z"}}]}, "cveMetadata": {"cveId": "CVE-2026-8758", "state": "PUBLISHED", "dateUpdated": "2026-05-17T13:45:36.564Z", "dateReserved": "2026-05-16T17:41:11.004Z", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "datePublished": "2026-05-17T13:45:36.564Z", "assignerShortName": "VulDB"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:metasoft_:metacrm:*:*:*:*:*:*:*:*"], "product": "MetaCRM", "vendor": "Metasoft \u7f8e\u7279\u8f6f\u4ef6", "versions": [{"status": "affected", "version": "6.4.0 Beta06"}]}], "source": "cna@vuldb.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was determined in Metasoft \u7f8e\u7279\u8f6f\u4ef6 MetaCRM up to 6.4.0 Beta06. This impacts an unknown function of the file /common/jsp/upload3.jsp. Executing a manipulation of the argument File can lead to unrestricted upload. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way."}, {"lang": "es", "value": "Se determin\u00f3 una vulnerabilidad en Metasoft ???? MetaCRM hasta 6.4.0 Beta06. Esto afecta una funci\u00f3n desconocida del archivo /common/jsp/upload3.jsp. La ejecuci\u00f3n de una manipulaci\u00f3n del argumento File puede llevar a una carga sin restricciones. El ataque puede lanzarse remotamente. El exploit se ha divulgado p\u00fablicamente y puede utilizarse. El proveedor se contact\u00f3 tempranamente sobre esta divulgaci\u00f3n, pero no respondi\u00f3 de ninguna manera."}], "id": "CVE-2026-8758", "lastModified": "2026-10-26T13:10:00.140", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.4, "source": "cna@vuldb.com", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.5, "baseSeverity": "MEDIUM", "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": "NONE", "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:N/UI:N/VC:L/VI:L/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": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-8758", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-05-18T10:41:38.264789Z", "version": "2.0.3"}}]}, "published": "2026-05-17T14:16:22.327", "references": [{"source": "cna@vuldb.com", "url": "https://ucn9h68n9289.feishu.cn/wiki/XmoNwpJjJiQrBtkLMitccF56ntb"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/submit/811283"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/364385"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/364385/cti"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}, {"lang": "en", "value": "CWE-434"}], "source": "cna@vuldb.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.4.0 Beta06"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 97.0, "source": "matching"}]}, "original": {"product": "MetaCRM", "source": "cna", "vendor": "Metasoft \u7f8e\u7279\u8f6f\u4ef6"}, "product": "metacrm", "vendor": "metasoft"}], "created": "2026-05-17T15:30:04.921130+00:00", "updated": "2026-05-17T16:45:05.625544+00:00", "vendors": ["metasoft", "metasoft$PRODUCT$metacrm"]}