CVE-2026-9203 — HIGH (8.5) — White Hats Nepal

Vulnerability Description

A server-side request forgery vulnerability in Progress MarkLogic Server before 11.3.6 and 12.0.3 allows an authenticated user with low-privileged roles to bypass protections for cloud instance metadata endpoints. Successful exploitation can disclose cloud credentials and compromise cloud resources accessible to the host instance.

CVSS Score

8.5

HIGH

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-918

References

https://community.progress.com/s/article/Marklogic-Critical-Security-Alert-Bulle

FAQ

What is CVE-2026-9203?

CVE-2026-9203 is a vulnerability with a CVSS score of 8.5 (HIGH). A server-side request forgery vulnerability in Progress MarkLogic Server before 11.3.6 and 12.0.3 allows an authenticated user with low-privileged roles to bypass protections for cloud instance metada...

How severe is CVE-2026-9203?

CVE-2026-9203 has been rated HIGH with a CVSS base score of 8.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-9203?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.