{"action":"Upgrade getkirby/cms to 4.9.1 or later.","affected":[{"fixed":"4.9.1","introduced":"0"},{"fixed":"5.4.1","introduced":"5.0.0"}],"component":"getkirby/cms","cve_ids":["CVE-2026-45334"],"ecosystem":"Packagist","epss":0.00364,"exploited":false,"fixed_versions":["4.9.1","5.4.1"],"ghsa_id":"GHSA-39vq-49qm-r2mc","id":"tcs_01M5KESVVR2MEQHDA3BTC7PCM3","modified_at":"2026-09-10T03:51:04.402578551Z","published_at":"2026-05-27T17:23:31Z","references":["https://osv.dev/vulnerability/GHSA-39vq-49qm-r2mc","https://github.com/getkirby/kirby/security/advisories/GHSA-39vq-49qm-r2mc","https://github.com/getkirby/kirby","https://github.com/getkirby/kirby/releases/tag/4.9.1","https://github.com/getkirby/kirby/releases/tag/5.4.1"],"severity":{"label":"medium"},"sources":[{"source":"osv","source_id":"GHSA-39vq-49qm-r2mc","url":"https://osv.dev/vulnerability/GHSA-39vq-49qm-r2mc"}],"summary":"Kirby CMS's content locks disclose IDs and emails of inaccessible users from `users.access/list` permissions"}