Vulnerability in Progress Software Corporation Marklogic Server
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…
Vulnerability class: HTTP Request Smuggling
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.
Affected products
- Progress Software Corporation Marklogic Server — versions 11.0.0, 12.0.0
Weakness classification (CWE)
References
- security@progress.com (vendor-advisory)
Frequently asked questions
- What is CVE-2026-9190?
- CVE-2026-9190 is a critical-severity vulnerability in Progress Software Corporation Marklogic Server, classified under Inconsistent Interpretation of HTTP Requests (HTTP Request/Response Smuggling). CVSS score: 9.1/10. Published 2026-08-05.
- How severe is CVE-2026-9190?
- Critical severity. CVSS v3 base score is 9.1 out of 10.