{"action":"Upgrade getkirby/cms to 3.4.5 or later.","affected":[{"fixed":"3.4.5","introduced":"3.0.0"}],"component":"getkirby/cms","cve_ids":["CVE-2020-26255"],"ecosystem":"Packagist","epss":0.01488,"exploited":false,"fixed_versions":["3.4.5"],"ghsa_id":"GHSA-g3h8-cg9x-47qw","id":"tcs_01M5KF286FBWDXE6FVH0SFG3YK","modified_at":"2026-09-10T03:48:59.944013053Z","published_at":"2020-12-08T14:42:08Z","references":["https://osv.dev/vulnerability/GHSA-g3h8-cg9x-47qw","https://github.com/getkirby/kirby/security/advisories/GHSA-g3h8-cg9x-47qw","https://nvd.nist.gov/vuln/detail/CVE-2020-26255","https://github.com/getkirby-v2/panel/commit/5a569d4e3ddaea2b6628d7ec1472a3e8bc410881","https://github.com/getkirby/kirby/commit/db8f371b13036861c9cc5ba3e85e27f73fce5e09","https://github.com/getkirby/kirby","https://github.com/getkirby/kirby/releases/tag/3.4.5","https://packagist.org/packages/getkirby/cms","https://packagist.org/packages/getkirby/panel"],"severity":{"label":"medium","score":6.8},"sources":[{"source":"osv","source_id":"GHSA-g3h8-cg9x-47qw#Packagist/getkirby/cms","url":"https://osv.dev/vulnerability/GHSA-g3h8-cg9x-47qw"}],"summary":"Kirby Panel users could upload PHP Phar archives as content files before v2.5.14 and v3.4.5"}