CVE-2026-9190 — HTTP request smuggling in Progress MarkLogic Server

Description (CNA)

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 (CNA)

Vendor / product	Versions
Progress Software Corporation / MarkLogic Server	affected 11.0.0 before 11.3.6; affected 12.0.0 before 12.0.3

CWE

CWE-444

References

https://community.progress.com/s/article/Marklogic-Critical-Security-Alert-Bulletin-August-2026

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.