{"action":"Upgrade flarum/core to 1.7.0 or later.","affected":[{"fixed":"1.7.0","introduced":"0"}],"component":"flarum/core","cve_ids":["CVE-2023-27577"],"ecosystem":"Packagist","epss":0.00851,"exploited":false,"fixed_versions":["1.7.0"],"ghsa_id":"GHSA-vhm8-wwrf-3gcw","id":"tcs_01M5KF975620G555WYN8APQF85","modified_at":"2026-09-10T03:49:56.864968378Z","published_at":"2023-03-13T20:52:11Z","references":["https://osv.dev/vulnerability/GHSA-vhm8-wwrf-3gcw","https://github.com/flarum/framework/security/advisories/GHSA-vhm8-wwrf-3gcw","https://nvd.nist.gov/vuln/detail/CVE-2023-27577","https://github.com/flarum/framework/commit/1761660c98ea5a3e9665fb8e6041d1f2ee62a444","https://github.com/flarum/flarum-core","https://github.com/flarum/flarum-core/releases/tag/v1.7.0"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"GHSA-vhm8-wwrf-3gcw","url":"https://osv.dev/vulnerability/GHSA-vhm8-wwrf-3gcw"}],"summary":"Path Traversal Vulnerability in `LESS` Parser allows reading of sensitive server files"}