Is this vulnerability remotely exploitable?

Yes, it can be remotely exploitable if an attacker can cause OpenCMS to import a crafted ZIP file, for example via exposed admin interfaces or workflows that accept external packages.

What level of access is required to exploit this issue?

Typically, an attacker needs the ability to supply or influence ZIP archives processed by the Admin Import DB feature, which often implies administrative or elevated access, though delegated or automated import workflows can broaden exposure.

What is the safest general fix pattern for this vulnerability class?

The most robust fix is to disable external entity and DTD processing for all XML parsers that handle untrusted input and to standardize on secure XML parsing utilities that enforce these restrictions by default.

Severity:

CRITICAL RISK

(9.8)

XML External Entity Processing (CWE-611) in OpenCMS Admin Import DB

CVE-2026-38429

Published:

May 5, 2026

Status:

Deferred

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

Recent Vulnerabilities

CWE-918

HIGH RISK

HIGH

(8.6)

Server-Side Request Forgery (CWE-918) in OpenClaw Zalo Plugin sendPhoto

Unauthorized Access to Internal Resources via SSRF

May 6, 2026

CWE-863

HIGH RISK

HIGH

(8.8)

Authorization Bypass (CWE-863) in OpenClaw Matrix Room Control Commands

Privilege Escalation via Bypassed Access Control

May 6, 2026

Vulnerability Type

Category:

XML External Entity (XXE)

CWE:

CWE-611

Impact:

Confidentiality and Server-Side Request Forgery (SSRF) Compromise

Severity:

CRITICAL RISK

(9.8)

CVSS Version:

3.1

Vulnerability Type

Category:

XML External Entity (XXE)

CWE:

CWE-611

Impact:

Confidentiality and Server-Side Request Forgery (SSRF) Compromise

Severity:

CRITICAL RISK

(9.8)

CVSS Version:

3.1

Catch This CVE While Code Is Being Written

Detect vulnerable code directly in pull requests, so CVEs are fixed before merge.

Get Started

Ship clean & secure code faster

Start Free Trial

Get Pentest Report

Ship clean & secure code faster

Start Free Trial

Get Pentest Report

Ship clean & secure code faster

Start Free Trial

Get Pentest Report

CodeAnt AI is an offensive and defensive security platform.

Defensive + offensive security.

From first line of code to a pentest
that knows every line of it.

SOC 2 Type II certified | CodeAnt AI is independently audited and compliant with SOC 2 Type II security standards

Ask AI for summary of CodeAnt

Defensive + offensive security.

From first line of code to a pentest
that knows every line of it.

Ask AI for summary of CodeAnt

Defensive + offensive security.

From first line of code to a pentest
that knows every line of it.

Ask AI for summary of CodeAnt

XML External Entity Processing (CWE-611) in OpenCMS Admin Import DB

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

HIGH RISK

HIGH

(8.6)

Server-Side Request Forgery (CWE-918) in OpenClaw Zalo Plugin sendPhoto

HIGH RISK

HIGH

(8.8)

Authorization Bypass (CWE-863) in OpenClaw Matrix Room Control Commands

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

Ship clean & secure code faster

Ship clean & secure code faster

Product

Compare

Company

Developers

Legal

Product

Compare

Company

Developers

Legal

Product

Compare

Company

Developers

Legal