{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-14865", "assignerOrgId": "f9fea0b6-671e-4eea-8fde-31911902ae05", "state": "PUBLISHED", "assignerShortName": "ProgressSoftware", "dateReserved": "2026-07-06T13:11:08.309Z", "datePublished": "2026-07-22T13:45:21.227Z", "dateUpdated": "2026-07-22T19:10:08.695Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f9fea0b6-671e-4eea-8fde-31911902ae05", "shortName": "ProgressSoftware", "dateUpdated": "2026-07-22T13:45:21.227Z"}, "title": "XXE Denial of Service via RadLayoutBuilder Client State in Telerik UI for ASP.NET AJAX", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-776", "description": "CWE-776 Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-197", "descriptions": [{"lang": "en", "value": "CAPEC-197 Exponential Data Expansion"}]}], "affected": [{"vendor": "Progress Software", "product": "Telerik UI for ASP.NET AJAX", "versions": [{"status": "affected", "version": "2009.1.314", "lessThan": "2026.2.708", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "In Progress\u00ae Telerik\u00ae UI for AJAX prior to v2026.2.708, the internal LayoutBuilder control processes client-state XML without disabling DTD processing, allowing unauthenticated denial of service via recursive XML entity expansion.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>In Progress\u00ae Telerik\u00ae UI for AJAX prior to v2026.2.708, the internal LayoutBuilder control processes client-state XML without disabling DTD processing, allowing unauthenticated denial of service via recursive XML entity expansion.</p>"}]}], "references": [{"url": "https://www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-rlb-xxe-injection-client-state-cve-2026-14865", "tags": ["vendor-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "LOW", "baseSeverity": "MEDIUM", "baseScore": 5.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"}}], "credits": [{"lang": "en", "value": "Marcio Almeida of TantoSec", "type": "finder"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-22T19:09:57.174189Z", "id": "CVE-2026-14865", "options": [{"Exploitation": "none"}, {"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": "2026-07-22T19:10:08.695Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-14865", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-22T19:09:57.174189Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-22T19:10:03.378Z"}}], "cna": {"title": "XXE Denial of Service via RadLayoutBuilder Client State in Telerik UI for ASP.NET AJAX", "source": {"discovery": "EXTERNAL"}, "credits": [{"lang": "en", "type": "finder", "value": "Marcio Almeida of TantoSec"}], "impacts": [{"capecId": "CAPEC-197", "descriptions": [{"lang": "en", "value": "CAPEC-197 Exponential Data Expansion"}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Progress Software", "product": "Telerik UI for ASP.NET AJAX", "versions": [{"status": "affected", "version": "2009.1.314", "lessThan": "2026.2.708", "versionType": "custom"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-rlb-xxe-injection-client-state-cve-2026-14865", "tags": ["vendor-advisory"]}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "descriptions": [{"lang": "en", "value": "In Progress\u00ae Telerik\u00ae UI for AJAX prior to v2026.2.708, the internal LayoutBuilder control processes client-state XML without disabling DTD processing, allowing unauthenticated denial of service via recursive XML entity expansion.", "supportingMedia": [{"type": "text/html", "value": "<p>In Progress\u00ae Telerik\u00ae UI for AJAX prior to v2026.2.708, the internal LayoutBuilder control processes client-state XML without disabling DTD processing, allowing unauthenticated denial of service via recursive XML entity expansion.</p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-776", "description": "CWE-776 Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')"}]}], "providerMetadata": {"orgId": "f9fea0b6-671e-4eea-8fde-31911902ae05", "shortName": "ProgressSoftware", "dateUpdated": "2026-07-22T13:45:21.227Z"}}}, "cveMetadata": {"cveId": "CVE-2026-14865", "state": "PUBLISHED", "dateUpdated": "2026-07-22T19:10:08.695Z", "dateReserved": "2026-07-06T13:11:08.309Z", "assignerOrgId": "f9fea0b6-671e-4eea-8fde-31911902ae05", "datePublished": "2026-07-22T13:45:21.227Z", "assignerShortName": "ProgressSoftware"}, "dataVersion": "5.2"}

{}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2009.1.314,2026.2.708)"}}], "enrichment": {"confidence": 89.0, "confidence_source": "matching", "scores": [{"score": 89.0, "source": "matching"}]}, "original": {"product": "Telerik UI for ASP.NET AJAX", "source": "cna", "vendor": "Progress Software"}, "product": "telerik_ui_for_asp.net_ajax", "vendor": "progress"}], "created": "2026-07-23T18:45:03.880134+00:00", "updated": "2026-08-03T23:45:06.016623+00:00", "vendors": ["progress", "progress$PRODUCT$telerik_ui_for_asp.net_ajax"]}