{"action":"Upgrade contao/core-bundle to 5.3.50 or later.","affected":[{"fixed":"5.3.50","introduced":"4.0.0"},{"fixed":"5.7.12","introduced":"5.4.0-RC1"}],"component":"contao/core-bundle","cve_ids":["CVE-2026-107848"],"ecosystem":"Packagist","epss":0.00113,"exploited":false,"fixed_versions":["5.3.50","5.7.12"],"ghsa_id":"GHSA-9ff2-p842-45wq","id":"tcs_01M5KF006BN5QAJSA7VRWYYHGA","modified_at":"2026-10-09T21:00:09.537235593Z","published_at":"2026-10-09T20:54:00Z","references":["https://osv.dev/vulnerability/GHSA-9ff2-p842-45wq","https://github.com/contao/contao/security/advisories/GHSA-9ff2-p842-45wq","https://github.com/contao/contao/commit/34dd27ee6739f10568d3d95d8784862255c925b4","https://github.com/contao/contao","https://github.com/contao/contao/releases/tag/5.7.12"],"severity":{"label":"low","score":3.5},"sources":[{"source":"osv","source_id":"GHSA-9ff2-p842-45wq","url":"https://osv.dev/vulnerability/GHSA-9ff2-p842-45wq"}],"summary":"Contao: Cross-site request forgery in custom backend actions"}