{ "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": "2026-08-07T03:55:28.510Z" }, "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": "
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.
" } ] } ], "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": "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.
" } ] } ], "source": { "discovery": "INTERNAL" }, "x_generator": { "engine": "Vulnogram 0.2.0" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-08-06T00:00:00+00:00", "options": [ { "Exploitation": "none" }, { "Automatable": "yes" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-9190" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-07T03:55:28.510Z" } } ] } }