{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-19826", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-08-14T05:50:11.826Z", "datePublished": "2026-08-14T13:00:09.415Z", "dateUpdated": "2026-08-14T13:00:09.415Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-08-14T13:00:09.415Z"}, "title": "alldatacenter alldata xxl-rpc Listener HessianSerializer.java Hessian2Input.readObject deserialization", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-502", "lang": "en", "description": "Deserialization"}]}, {"descriptions": [{"type": "CWE", "cweId": "CWE-20", "lang": "en", "description": "Improper Input Validation"}]}], "affected": [{"vendor": "alldatacenter", "product": "alldata", "versions": [{"version": "0.6.0", "status": "affected"}, {"version": "0.6.1", "status": "affected"}, {"version": "0.6.2", "status": "affected"}, {"version": "0.6.3", "status": "affected"}, {"version": "0.6.4", "status": "affected"}, {"version": "0.6.5", "status": "affected"}, {"version": "0.6.6", "status": "affected"}, {"version": "0.6.7", "status": "affected"}, {"version": "0.6.8", "status": "affected"}], "cpes": ["cpe:2.3:a:alldata:alldata:*:*:*:*:*:*:*:*"], "modules": ["xxl-rpc Listener"]}], "descriptions": [{"lang": "en", "value": "A vulnerability was detected in alldatacenter alldata up to 0.6.8. This affects the function Hessian2Input.readObject of the file /serialize/impl/HessianSerializer.java of the component xxl-rpc Listener. The manipulation results in deserialization. The attack may be performed from remote. The exploit is now public and may be used. The project closed the issue report as \"not planned\" without any further explanation."}], "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": "2026-08-14T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2026-08-14T02:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2026-08-14T07:55:18.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "fakebug (VulDB User)", "type": "reporter"}, {"lang": "en", "value": "VulDB CNA Team", "type": "coordinator"}], "references": [{"url": "https://vuldb.com/vuln/389959", "name": "VDB-389959 | alldatacenter alldata xxl-rpc Listener HessianSerializer.java Hessian2Input.readObject deserialization", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/389959/cti", "name": "VDB-389959 | CTI Indicators (IOB, IOC, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/cve/CVE-2026-19826", "name": "CVE-2026-19826 | CVE Analysis and Report", "tags": ["third-party-advisory"]}, {"url": "https://vuldb.com/submit/870236", "name": "Submit #870236 | alldatacenter alldata v0.6.8 CWE-502", "tags": ["third-party-advisory"]}, {"url": "https://github.com/alldatacenter/alldata/issues/832", "tags": ["exploit", "issue-tracking"]}, {"url": "https://github.com/alldatacenter/alldata/", "tags": ["product"]}], "x_generator": ["VulDB PVTS v202608"]}}}

{}

{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:alldata:alldata:*:*:*:*:*:*:*:*"], "modules": ["xxl-rpc Listener"], "product": "alldata", "vendor": "alldatacenter", "versions": [{"status": "affected", "version": "0.6.0"}, {"status": "affected", "version": "0.6.1"}, {"status": "affected", "version": "0.6.2"}, {"status": "affected", "version": "0.6.3"}, {"status": "affected", "version": "0.6.4"}, {"status": "affected", "version": "0.6.5"}, {"status": "affected", "version": "0.6.6"}, {"status": "affected", "version": "0.6.7"}, {"status": "affected", "version": "0.6.8"}]}], "source": "cna@vuldb.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was detected in alldatacenter alldata up to 0.6.8. This affects the function Hessian2Input.readObject of the file /serialize/impl/HessianSerializer.java of the component xxl-rpc Listener. The manipulation results in deserialization. The attack may be performed from remote. The exploit is now public and may be used. The project closed the issue report as \"not planned\" without any further explanation."}], "id": "CVE-2026-19826", "lastModified": "2026-08-14T13:17:38.333", "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": "Primary"}], "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"}]}, "published": "2026-08-14T13:17:38.333", "references": [{"source": "cna@vuldb.com", "url": "https://github.com/alldatacenter/alldata/"}, {"source": "cna@vuldb.com", "url": "https://github.com/alldatacenter/alldata/issues/832"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/cve/CVE-2026-19826"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/submit/870236"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/389959"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/389959/cti"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}, {"lang": "en", "value": "CWE-502"}], "source": "cna@vuldb.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "0.6.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "0.6.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "0.6.2"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "0.6.3"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "0.6.4"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "0.6.5"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "0.6.6"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "0.6.7"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "0.6.8"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "alldata", "source": "cna", "vendor": "alldatacenter"}, "product": "alldata", "vendor": "alldata"}], "created": "2026-08-14T14:45:17.158058+00:00", "updated": "2026-08-14T14:45:17.262017+00:00", "vendors": ["alldata", "alldata$PRODUCT$alldata"]}