{"id":"CVE-2020-26138","details":"In SilverStripe through 4.6.0-rc1, a FormField with square brackets in the field name skips validation.","aliases":["BIT-silverstripe-2020-26138","GHSA-7mv4-4xpg-xq44"],"modified":"2026-04-10T04:25:20.151229Z","published":"2021-06-08T18:15:07.947Z","references":[{"type":"ADVISORY","url":"https://forum.silverstripe.org/c/releases"},{"type":"ADVISORY","url":"https://www.silverstripe.org/blog/tag/release"},{"type":"ADVISORY","url":"https://www.silverstripe.org/download/security-releases/"},{"type":"EVIDENCE","url":"https://www.silverstripe.org/download/security-releases/cve-2020-26138"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/silverstripe/silverstripe-cms","events":[{"introduced":"0"},{"fixed":"815d9e58b648d861adc0177a1c35b10b880e2fde"},{"introduced":"0"},{"last_affected":"aa6f0fd66ca4567d09196c684ded2a93f5a3a24f"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"4.6.0"},{"introduced":"0"},{"last_affected":"4.6.0-rc1"}]}}],"versions":["2.2.0-rc1","2.2.2-rc1","2.3.0-rc1","3.0.0-alpha1","3.0.0-alpha2","3.0.0-beta1","3.0.0-beta2","3.0.0-beta3","3.0.0-pr1","3.0.0-rc1","4.0.0-alpha1","4.0.0-alpha2","4.0.0-alpha3","4.0.0-alpha4","4.0.0-alpha5","4.0.0-alpha6","4.0.0-alpha7","4.0.0-beta1","4.0.0-beta2","4.0.0-beta3","4.1.0-rc1","4.6.0-beta1","4.6.0-rc1","HamishsTesta2"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-26138.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"}]}