CVE-2026-9203

Server-side request forgery in Progress MarkLogic Server

HIGH
8.5
CVSS Score
Published: August 5, 2026 at 03:40 PM UTC
Updated: October 24, 2026 at 01:10 PM UTC
1 product affected across 1 vendorMarkLogic Server

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Severity
HIGH8.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 11.3.612.0.0 ≤ v < 12.0.311.0.012.0.0
Affected range stops below 11.3.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 12.0.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.5HIGHProgressSoftware
Attack Vector
NETWORK
Complexity
HIGH
Privileges
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-918

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