CVE-2026-24400

assertj: AssertJ: Information disclosure and denial of service via XML External Entity (XXE)

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Severity

Moderate

Red Hat Product Security

6.1

CVSS 3.1

Review impact separately from score.

Published · January 27, 2026

Updated · October 15, 2026

Description

A flaw was found in AssertJ. An XML External Entity (XXE) vulnerability exists in the XmlStringPrettyFormatter component, which is used by the isXmlEqualTo(CharSequence) assertion. If an application processes untrusted XML input using these methods, a remote attacker could exploit this flaw to read arbitrary local files, perform Server-Side Request Forgery (SSRF) by making the server request arbitrary URLs, or cause a Denial of Service (DoS) through entity expansion attacks.

Statement

Exploitation of this vulnerability requires that a user processes untrusted content with the affected package.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 6.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L

CWE-611 · Improper Restriction of XML External Entity Reference