{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-101101", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-09-28T02:53:41.099Z", "datePublished": "2026-09-28T17:45:11.629Z", "dateUpdated": "2026-09-28T18:13:33.954Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-09-28T17:45:11.629Z"}, "title": "ag-ui-protocol ag-ui Middleware convert.ts JSON.parse uncaught exception", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-248", "lang": "en", "description": "Uncaught Exception"}]}], "affected": [{"vendor": "ag-ui-protocol", "product": "ag-ui", "versions": [{"version": "2026-09-07", "status": "affected"}, {"version": "2026-09-08", "status": "unaffected"}], "cpes": ["cpe:2.3:a:ag-ui-protocol:ag-ui:*:*:*:*:*:*:*:*"], "modules": ["Middleware"]}], "descriptions": [{"lang": "en", "value": "A vulnerability has been found in ag-ui-protocol ag-ui up to 2026-09-07. This issue affects the function JSON.parse of the file legacy/convert.ts of the component Middleware. The manipulation leads to uncaught exception. Remote exploitation of the attack is possible. Upgrading to version 2026-09-08 is capable of addressing this issue. The identifier of the patch is 30f8c794d5b73df5c610153043db502b2cc106cc. Upgrading the affected component is recommended."}], "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:X", "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:X/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:X/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:ND/RL:OF/RC:C"}}], "timeline": [{"time": "2026-09-08T00:00:00.000Z", "lang": "en", "value": "Countermeasure disclosed"}, {"time": "2026-09-28T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2026-09-28T02:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2026-09-28T04:59:01.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "meraklbz (VulDB User)", "type": "reporter"}], "references": [{"url": "https://vuldb.com/vuln/410976", "name": "VDB-410976 | ag-ui-protocol ag-ui Middleware convert.ts JSON.parse uncaught exception", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/410976/cti", "name": "VDB-410976 | CTI Indicators (IOB, IOC, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/cve/CVE-2026-101101", "name": "CVE-2026-101101 | CVE Analysis and Report", "tags": ["third-party-advisory"]}, {"url": "https://vuldb.com/submit/934981", "name": "Submit #934981 | ag-ui-protocol ag-ui v1.0 CWE-248", "tags": ["third-party-advisory"]}, {"url": "https://github.com/ag-ui-protocol/ag-ui/issues/2444", "tags": ["issue-tracking"]}, {"url": "https://github.com/ag-ui-protocol/ag-ui/pull/2493", "tags": ["issue-tracking", "patch"]}, {"url": "https://github.com/ag-ui-protocol/ag-ui/commit/30f8c794d5b73df5c610153043db502b2cc106cc", "tags": ["patch"]}, {"url": "https://github.com/ag-ui-protocol/ag-ui/releases/tag/release/2026-09-08", "tags": ["patch"]}, {"url": "https://github.com/ag-ui-protocol/ag-ui/", "tags": ["product"]}], "tags": ["x_open-source"], "x_generator": ["VulDB PVTS v202609"]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-28T18:13:26.343570Z", "id": "CVE-2026-101101", "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": "2026-09-28T18:13:33.954Z"}}]}}

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{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:ag-ui-protocol:ag-ui:*:*:*:*:*:*:*:*"], "modules": ["Middleware"], "product": "ag-ui", "vendor": "ag-ui-protocol", "versions": [{"status": "affected", "version": "2026-09-07"}, {"status": "unaffected", "version": "2026-09-08"}]}], "source": "[email protected]"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability has been found in ag-ui-protocol ag-ui up to 2026-09-07. This issue affects the function JSON.parse of the file legacy/convert.ts of the component Middleware. The manipulation leads to uncaught exception. Remote exploitation of the attack is possible. Upgrading to version 2026-09-08 is capable of addressing this issue. The identifier of the patch is 30f8c794d5b73df5c610153043db502b2cc106cc. Upgrading the affected component is recommended."}], "id": "CVE-2026-101101", "lastModified": "2026-09-28T18:17:17.193", "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": "[email protected]", "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": "[email protected]", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.3, "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": "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: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": "LOW", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "[email protected]", "type": "Secondary"}]}, "published": "2026-09-28T18:17:17.193", "references": [{"source": "[email protected]", "url": "https://github.com/ag-ui-protocol/ag-ui/"}, {"source": "[email protected]", "url": "https://github.com/ag-ui-protocol/ag-ui/commit/30f8c794d5b73df5c610153043db502b2cc106cc"}, {"source": "[email protected]", "url": "https://github.com/ag-ui-protocol/ag-ui/issues/2444"}, {"source": "[email protected]", "url": "https://github.com/ag-ui-protocol/ag-ui/pull/2493"}, {"source": "[email protected]", "url": "https://github.com/ag-ui-protocol/ag-ui/releases/tag/release/2026-09-08"}, {"source": "[email protected]", "url": "https://vuldb.com/cve/CVE-2026-101101"}, {"source": "[email protected]", "url": "https://vuldb.com/submit/934981"}, {"source": "[email protected]", "url": "https://vuldb.com/vuln/410976"}, {"source": "[email protected]", "url": "https://vuldb.com/vuln/410976/cti"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-248"}], "source": "[email protected]", "type": "Primary"}]}

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