Information Exposure Affecting dompdf/dompdf package, versions <3.1.6
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Test your applications- Snyk IDSNYK-PHP-DOMPDFDOMPDF-18306797
- published25 Jul 2026
- disclosed22 Jul 2026
- creditUnknown
Introduced: 22 Jul 2026
NewCVE-2026-59943 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade dompdf/dompdf to version 3.1.6 or higher.
Overview
Affected versions of this package are vulnerable to Information Exposure via the processing of embedded SVG images containing <image> elements with xlink:href attributes referencing local files or directories. An attacker can determine the existence of files or directories on the server by observing differences in rendering behavior when referencing valid versus invalid filesystem paths.