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    CVE-2026-9190

    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.

    Published:Aug 5, 2026
    Last Modified:Sep 3, 2026
    EPS:Aug 5, 2026
    EPSS Score:0.00448
    CVSS Score:9.1

    Affected Products

    Vendor
    Progress
    Product
    Marklogic Server
    Vendor
    Progress Software Corporation
    Product
    Marklogic Server

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-273 HTTP Response Smuggling
    CAPEC-33 HTTP Request Smuggling

    Related CVEs

    CVE-2026-9203 (CVSS 8.5) — A server-side request forgery vulnerability in Progress MarkLogic Server before 11.3.6 and 12.0.3 allows an au…
    CVE-2026-9195 (CVSS 9.3) — A cross-site scripting vulnerability in the Query Console of Progress MarkLogic Server before 11.3.6 and 12.0.…
    CVE-2026-9193 (CVSS 9.9) — An improper privilege management vulnerability in the Hadoop integration of Progress MarkLogic Server before 1…
    CVE-2026-9192 (CVSS 9.8) — An authentication bypass vulnerability in the ODBC App Server of Progress MarkLogic Server before 11.3.6 and 1…
    CVE-2026-8709 (CVSS 9.9) — An improper privilege management vulnerability in the REST API document patch operation of Progress MarkLogic …
    CVE-2026-7557 (CVSS 9.1) — An improper verification of cryptographic signature vulnerability in the SAML authentication module of Progres…
    CVE-2026-7329 (CVSS 9.9) — An improper privilege management vulnerability in the SQL, SPARQL, and Optic REST query interfaces of Progress…
    CVE-2026-7327 (CVSS 8.1) — An improper privilege management vulnerability in the REST API document processing pipeline of Progress MarkLo…
    CVE-2026-7326 (CVSS 7.5) — A cross-site request forgery vulnerability in the Admin UI of Progress MarkLogic Server before 11.3.6 and 12.0…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High