CVE-2026-123824

The Symfony Config component XmlUtils::parse enables DTD validation before rejecting documents that carry a doctype, allowing XML external entity XXE injection in Symfony versions prior to 5.4.56, 6.x prior to 6.4.50, 7.x prior to 7.4.23, and 8.x prior to 8.1.11. A remote attacker who can supply...

CVE-2026-123824 Symfony: XXE (Local File Read) in Config XmlUtils::parse() via validateOnParse = true

The Symfony Config component XmlUtils::parse enables DTD validation before rejecting documents that carry a doctype, allowing XML external entity XXE injection in Symfony versions prior to 5.4.56, 6.x prior to 6.4.50, 7.x prior to 7.4.23, and 8.x prior to 8.1.11. A remote attacker who can supply...

CVE-2026-123824

The Symfony Config component is vulnerable to XML external entity (XXE) injection in versions prior to 5.4.56, 6.x prior to 6.4.50, 7.x prior to 7.4.23, and 8.x prior to 8.1.11. The root cause is that XmlUtils::parse() sets $dom->validateOnParse = true before calling loadXML(), causing libxml ...

EUVD-2026-118384

The Symfony Config component XmlUtils::parse enables DTD validation before rejecting documents that carry a doctype, allowing XML external entity XXE injection in Symfony versions prior to 5.4.56, 6.x prior to 6.4.50, 7.x prior to 7.4.23, and 8.x prior to 8.1.11. A remote attacker who can supply...