{"id":"CVE-2026-9190","state":"PUBLISHED","title":"HTTP request smuggling in Progress MarkLogic Server","description":"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.","publishedAt":"2026-08-05T15:34:58.636Z","updatedAt":"2026-08-07T03:55:28.510Z","severity":{"score":9.1,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","source":"ProgressSoftware"},"assigner":"ProgressSoftware","products":["Progress Software Corporation MarkLogic Server"],"affected":[{"vendor":"Progress Software Corporation","product":"MarkLogic Server","defaultStatus":"unaffected","versions":[{"version":"11.0.0","status":"affected","lessThan":"11.3.6","versionType":"custom"},{"version":"12.0.0","status":"affected","lessThan":"12.0.3","versionType":"custom"}]}],"references":["https://community.progress.com/s/article/Marklogic-Critical-Security-Alert-Bulletin-August-2026"],"weaknesses":["CWE-444"],"ingestedAt":"2026-10-29T20:13:52.441Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/9xxx/CVE-2026-9190.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-9190","state":"PUBLISHED","datePublished":"2026-08-05T15:34:58.636Z","dateUpdated":"2026-08-07T03:55:28.510Z","assignerShortName":"ProgressSoftware","assignerOrgId":"f9fea0b6-671e-4eea-8fde-31911902ae05","dateReserved":"2026-05-21T15:14:35.319Z"},"containers":{"cna":{"title":"HTTP request smuggling in Progress MarkLogic Server","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."}],"affected":[{"vendor":"Progress Software Corporation","product":"MarkLogic Server","defaultStatus":"unaffected","versions":[{"version":"11.0.0","status":"affected","lessThan":"11.3.6","versionType":"custom"},{"version":"12.0.0","status":"affected","lessThan":"12.0.3","versionType":"custom"}]}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-444","lang":"en","description":"CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')","type":"CWE"}]}],"providerMetadata":{"shortName":"ProgressSoftware","orgId":"f9fea0b6-671e-4eea-8fde-31911902ae05","dateUpdated":"2026-08-05T15:34:58.636Z"},"impacts":[{"descriptions":[{"lang":"en","value":"HTTP Request Smuggling"}]}],"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":[{"title":"CISA ADP Vulnrichment","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"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-07T03:55:28.510Z"}}]}}}