External Control of File Name or Path Affecting pontedilana/php-weasyprint package, versions <2.6.0
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-PHP-PONTEDILANAPHPWEASYPRINT-17406212
- published7 Jul 2026
- disclosed19 Jun 2026
- creditUnknown
Introduced: 19 Jun 2026
CVE-2026-49358 (opens in a new tab)How to fix?
Upgrade pontedilana/php-weasyprint to version 2.6.0 or higher.
Overview
pontedilana/php-weasyprint is a PHP library allowing PDF generation from an url or a html page.
Affected versions of this package are vulnerable to External Control of File Name or Path via the temporaryFiles array accessed by AbstractGenerator.php, which is publicly accessible. An attacker can cause arbitrary files to be deleted by injecting file paths into this array, which are then unconditionally unlinked during shutdown.
PoC
<?php
use Pontedilana\PhpWeasyPrint\Pdf;
$pdf = new Pdf();
$pdf->temporaryFiles[] = '/var/www/html/.env';