{"action":"Upgrade baserproject/basercms to 5.2.3 or later.","affected":[{"fixed":"5.2.3","introduced":"0"}],"component":"baserproject/basercms","cve_ids":["CVE-2026-30940"],"ecosystem":"Packagist","epss":0.01067,"exploited":false,"fixed_versions":["5.2.3"],"ghsa_id":"GHSA-c5c6-37vq-pjcq","id":"tcs_01M5KF0KXMTMXW1J2ZHCEAQPMZ","modified_at":"2026-09-10T03:50:38.564974426Z","published_at":"2026-03-31T22:47:39Z","references":["https://osv.dev/vulnerability/GHSA-c5c6-37vq-pjcq","https://github.com/baserproject/basercms/security/advisories/GHSA-c5c6-37vq-pjcq","https://nvd.nist.gov/vuln/detail/CVE-2026-30940","https://basercms.net/security/JVN_20837860","https://github.com/baserproject/basercms","https://github.com/baserproject/basercms/releases/tag/5.2.3"],"severity":{"label":"high","score":7.2},"sources":[{"source":"osv","source_id":"GHSA-c5c6-37vq-pjcq","url":"https://osv.dev/vulnerability/GHSA-c5c6-37vq-pjcq"}],"summary":"baserCMS Path Traversal Leads to Arbitrary File Write and RCE via Theme File API"}