CVE-2026-9498

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-9498", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-05-25T09:53:00.451Z", "datePublished": "2026-05-25T20:00:18.474Z", "dateUpdated": "2026-05-28T15:44:33.709Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-05-25T20:00:18.474Z"}, "title": "Dromara lamp-cloud Message Template GroovyClassLoader.parseClass special elements used in a template engine", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-1336", "lang": "en", "description": "Improper Neutralization of Special Elements Used in a Template Engine"}]}, {"descriptions": [{"type": "CWE", "cweId": "CWE-791", "lang": "en", "description": "Incomplete Filtering of Special Elements"}]}], "affected": [{"vendor": "Dromara", "product": "lamp-cloud", "versions": [{"version": "5.6.0", "status": "affected"}, {"version": "5.6.1", "status": "affected"}, {"version": "5.6.2", "status": "affected"}], "cpes": ["cpe:2.3:a:dromara:lamp-cloud:*:*:*:*:*:*:*:*"], "modules": ["Message Template Handler"]}], "descriptions": [{"lang": "en", "value": "A vulnerability has been found in Dromara lamp-cloud up to 5.6.2. Impacted is the function GroovyClassLoader.parseClass of the component Message Template Handler. Such manipulation of the argument DefMsgTemplate.content leads to improper neutralization of special elements used in a template engine. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way."}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 5.3, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P", "baseSeverity": "MEDIUM"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 6.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R", "baseSeverity": "MEDIUM"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 6.3, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R", "baseSeverity": "MEDIUM"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 6.5, "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR"}}], "timeline": [{"time": "2026-05-25T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2026-05-25T02:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2026-05-25T11:58:04.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "Ku4D3 (VulDB User)", "type": "reporter"}, {"lang": "en", "value": "VulDB CNA Team", "type": "coordinator"}], "references": [{"url": "https://vuldb.com/vuln/365481", "name": "VDB-365481 | Dromara lamp-cloud Message Template GroovyClassLoader.parseClass special elements used in a template engine", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/365481/cti", "name": "VDB-365481 | CTI Indicators (IOB, IOC, TTP, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/submit/814103", "name": "Submit #814103 | dromara lamp-cloud releases Injection", "tags": ["third-party-advisory"]}, {"url": "https://github.com/Ku4D3/bug_story/blob/main/report_02.md", "tags": ["exploit"]}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-05-28T15:44:15.208040Z", "id": "CVE-2026-9498", "options": [{"Exploitation": "poc"}, {"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": "2026-05-28T15:44:33.709Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-9498", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-05-28T15:44:15.208040Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-28T15:44:21.500Z"}}], "cna": {"title": "Dromara lamp-cloud Message Template GroovyClassLoader.parseClass special elements used in a template engine", "credits": [{"lang": "en", "type": "reporter", "value": "Ku4D3 (VulDB User)"}, {"lang": "en", "type": "coordinator", "value": "VulDB CNA Team"}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 5.3, "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 6.3, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 6.3, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 6.5, "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR"}}], "affected": [{"cpes": ["cpe:2.3:a:dromara:lamp-cloud:*:*:*:*:*:*:*:*"], "vendor": "Dromara", "modules": ["Message Template Handler"], "product": "lamp-cloud", "versions": [{"status": "affected", "version": "5.6.0"}, {"status": "affected", "version": "5.6.1"}, {"status": "affected", "version": "5.6.2"}]}], "timeline": [{"lang": "en", "time": "2026-05-25T00:00:00.000Z", "value": "Advisory disclosed"}, {"lang": "en", "time": "2026-05-25T02:00:00.000Z", "value": "VulDB entry created"}, {"lang": "en", "time": "2026-05-25T11:58:04.000Z", "value": "VulDB entry last update"}], "references": [{"url": "https://vuldb.com/vuln/365481", "name": "VDB-365481 | Dromara lamp-cloud Message Template GroovyClassLoader.parseClass special elements used in a template engine", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/365481/cti", "name": "VDB-365481 | CTI Indicators (IOB, IOC, TTP, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/submit/814103", "name": "Submit #814103 | dromara lamp-cloud releases Injection", "tags": ["third-party-advisory"]}, {"url": "https://github.com/Ku4D3/bug_story/blob/main/report_02.md", "tags": ["exploit"]}], "descriptions": [{"lang": "en", "value": "A vulnerability has been found in Dromara lamp-cloud up to 5.6.2. Impacted is the function GroovyClassLoader.parseClass of the component Message Template Handler. Such manipulation of the argument DefMsgTemplate.content leads to improper neutralization of special elements used in a template engine. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-1336", "description": "Improper Neutralization of Special Elements Used in a Template Engine"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-791", "description": "Incomplete Filtering of Special Elements"}]}], "providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-05-25T20:00:18.474Z"}}}, "cveMetadata": {"cveId": "CVE-2026-9498", "state": "PUBLISHED", "dateUpdated": "2026-05-28T15:44:33.709Z", "dateReserved": "2026-05-25T09:53:00.451Z", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "datePublished": "2026-05-25T20:00:18.474Z", "assignerShortName": "VulDB"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:dromara:lamp-cloud:*:*:*:*:*:*:*:*"], "modules": ["Message Template Handler"], "product": "lamp-cloud", "vendor": "Dromara", "versions": [{"status": "affected", "version": "5.6.0"}, {"status": "affected", "version": "5.6.1"}, {"status": "affected", "version": "5.6.2"}]}], "source": "cna@vuldb.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability has been found in Dromara lamp-cloud up to 5.6.2. Impacted is the function GroovyClassLoader.parseClass of the component Message Template Handler. Such manipulation of the argument DefMsgTemplate.content leads to improper neutralization of special elements used in a template engine. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way."}, {"lang": "es", "value": "Se ha encontrado una vulnerabilidad en Dromara lamp-cloud hasta 5.6.2. Afectada es la funci\u00f3n GroovyClassLoader.parseClass del componente Gestor de Plantillas de Mensajes. Dicha manipulaci\u00f3n del argumento DefMsgTemplate.content conduce a una neutralizaci\u00f3n impropia de elementos especiales utilizados en un motor de plantillas. Es posible lanzar el ataque remotamente. El exploit ha sido divulgado al p\u00fablico y puede ser utilizado. El proveedor fue contactado tempranamente sobre esta divulgaci\u00f3n, pero no respondi\u00f3 de ninguna manera."}], "id": "CVE-2026-9498", "lastModified": "2026-07-23T11:10:00.120", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "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": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "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": 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: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-2026-9498", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-05-28T15:44:15.208040Z", "version": "2.0.3"}}]}, "published": "2026-05-25T20:16:38.290", "references": [{"source": "cna@vuldb.com", "url": "https://github.com/Ku4D3/bug_story/blob/main/report_02.md"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/submit/814103"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/365481"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/365481/cti"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-791"}, {"lang": "en", "value": "CWE-1336"}], "source": "cna@vuldb.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "5.6.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "5.6.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "5.6.2"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "lamp-cloud", "source": "cna", "vendor": "Dromara"}, "product": "lamp-cloud", "vendor": "dromara"}], "created": "2026-05-25T21:30:05.774647+00:00", "updated": "2026-05-25T21:30:06.142925+00:00", "vendors": ["dromara", "dromara$PRODUCT$lamp-cloud"]}