{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-9190", "assignerOrgId": "f9fea0b6-671e-4eea-8fde-31911902ae05", "state": "PUBLISHED", "assignerShortName": "ProgressSoftware", "dateReserved": "2026-05-21T15:14:35.319Z", "datePublished": "2026-08-05T15:34:58.636Z", "dateUpdated": "2026-08-05T15:34:58.636Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f9fea0b6-671e-4eea-8fde-31911902ae05", "shortName": "ProgressSoftware", "dateUpdated": "2026-08-05T15:34:58.636Z"}, "title": "HTTP request smuggling in Progress MarkLogic Server", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-444", "description": "CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')", "type": "CWE"}]}], "impacts": [{"descriptions": [{"lang": "en", "value": "HTTP Request Smuggling"}]}], "affected": [{"vendor": "Progress Software Corporation", "product": "MarkLogic Server", "versions": [{"status": "affected", "version": "11.0.0", "lessThan": "11.3.6", "versionType": "custom"}, {"status": "affected", "version": "12.0.0", "lessThan": "12.0.3", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "An HTTP request smuggling vulnerability in the HTTP App Server of Progress MarkLogic Server before 11.3.6 and 12.0.3 allows a remote attacker to bypass authentication and authorization checks, hijack a legitimate user's session, or capture credentials. The vulnerability occurs when a crafted HTTP request containing both Content-Length and Transfer-Encoding headers causes a reverse proxy and MarkLogic Server to interpret request boundaries differently.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>An HTTP request smuggling vulnerability in the HTTP App Server of Progress MarkLogic Server before 11.3.6 and 12.0.3 allows a remote attacker to bypass authentication and authorization checks, hijack a legitimate user's session, or capture credentials. The vulnerability occurs when a crafted HTTP request containing both Content-Length and Transfer-Encoding headers causes a reverse proxy and MarkLogic Server to interpret request boundaries differently.</p>"}]}], "references": [{"url": "https://community.progress.com/s/article/Marklogic-Critical-Security-Alert-Bulletin-August-2026", "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": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseSeverity": "CRITICAL", "baseScore": 9.1, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"}}], "workarounds": [{"lang": "en", "value": "Do not expose MarkLogic HTTP App Servers directly to untrusted networks. Configure a reverse proxy or web application firewall to reject requests that contain both Content-Length and Transfer-Encoding headers, and restrict access to trusted networks until the update can be applied.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Do not expose MarkLogic HTTP App Servers directly to untrusted networks. Configure a reverse proxy or web application firewall to reject requests that contain both Content-Length and Transfer-Encoding headers, and restrict access to trusted networks until the update can be applied.</p>"}]}], "source": {"discovery": "INTERNAL"}, "x_generator": {"engine": "Vulnogram 0.2.0"}}}}

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