{"id":"CVE-2026-45071","aliases":["GHSA-x6g4-fwcc-jj8w"],"url":"https://o3.security/vulnerability/CVE-2026-45071","summary":"Symfony: XXE (Local File Disclosure) in DomCrawler::addXmlContent() via validateOnParse = true","details":"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.","published":"2026-07-14T18:58:15.162Z","modified":"2026-08-12T03:51:43.385842176Z","cvss":null,"epss":{"score":0.00462,"percentile":0.38156,"asOf":"2026-08-16"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"symfony/dom-crawler","fixedVersion":"5.4.52"},{"ecosystem":"Packagist","name":"symfony/symfony","fixedVersion":"5.4.52"},{"ecosystem":"Packagist","name":"symfony/dom-crawler","fixedVersion":"6.4.40"},{"ecosystem":"Packagist","name":"symfony/dom-crawler","fixedVersion":"7.4.12"},{"ecosystem":"Packagist","name":"symfony/dom-crawler","fixedVersion":"8.0.12"},{"ecosystem":"Packagist","name":"symfony/symfony","fixedVersion":"6.4.40"},{"ecosystem":"Packagist","name":"symfony/symfony","fixedVersion":"7.4.12"},{"ecosystem":"Packagist","name":"symfony/symfony","fixedVersion":"8.0.12"}],"fix":{"url":"https://github.com/symfony/symfony/commit/eea5fd7488cbdc241da4ce242344b7d9a3ecdf3d","label":"symfony/symfony@eea5fd7"},"references":[{"type":"WEB","url":"https://github.com/symfony/symfony/releases/tag/v5.4.52"},{"type":"WEB","url":"https://github.com/symfony/symfony/releases/tag/v6.4.40"},{"type":"WEB","url":"https://github.com/symfony/symfony/releases/tag/v7.4.12"},{"type":"WEB","url":"https://github.com/symfony/symfony/releases/tag/v8.0.12"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45071.json"},{"type":"ADVISORY","url":"https://github.com/symfony/symfony/security/advisories/GHSA-x6g4-fwcc-jj8w"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45071"},{"type":"FIX","url":"https://github.com/symfony/symfony/commit/eea5fd7488cbdc241da4ce242344b7d9a3ecdf3d"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:43.385842176Z"}}