← CVE Intelligence

CVE-2026-45071

Symfony: XXE (Local File Disclosure) in DomCrawler::addXmlContent() via validateOnParse = true PUBLISHED

Description (CNA)

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 5.4.52, 6.4.40, 7.4.12, and 8.0.12, Crawler::addXmlContent() set DOMDocument::$validateOnParse = true before loadXML(), re-enabling external entity resolution and allowing attacker-supplied XML to expand file:// entities such as local files. This issue is fixed in versions 5.4.52, 6.4.40, 7.4.12, and 8.0.12.

Affected (CNA)

Vendor / productVersions
symfony / symfonyaffected < 5.4.52; affected >= 6.0.0-BETA1, < 6.4.40; affected >= 7.0.0-BETA1, < 7.4.12; affected >= 8.0.0-BETA1, < 8.0.12
symfony / dom-crawleraffected < 5.4.52; affected >= 6.0.0-BETA1, < 6.4.40; affected >= 7.0.0-BETA1, < 7.4.12; affected >= 8.0.0-BETA1, < 8.0.12

CWE

CWE-611

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.