{"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":"<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"}},"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"}}]}}