{"action":"Upgrade openmage/magento-lts to 20.17.0 or later.","affected":[{"fixed":"20.17.0","introduced":"0"}],"component":"openmage/magento-lts","cve_ids":["CVE-2026-40488"],"ecosystem":"Packagist","epss":0.00691,"exploited":false,"fixed_versions":["20.17.0"],"ghsa_id":"GHSA-3j5q-7q7h-2hhv","id":"tcs_01M5KET180W6YH4N5AV2TV7XFN","modified_at":"2026-05-05T16:00:15.718521Z","published_at":"2026-04-21T18:53:13Z","references":["https://osv.dev/vulnerability/GHSA-3j5q-7q7h-2hhv","https://github.com/OpenMage/magento-lts/security/advisories/GHSA-3j5q-7q7h-2hhv","https://nvd.nist.gov/vuln/detail/CVE-2026-40488","https://github.com/OpenMage/magento-lts"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"GHSA-3j5q-7q7h-2hhv","url":"https://osv.dev/vulnerability/GHSA-3j5q-7q7h-2hhv"}],"summary":"OpenMage LTS: Customer File Upload Extension Blocklist Bypass → Remote Code Execution"}