{"affected":[{"defaultStatus":"unaffected","product":"magento-lts","source":"CNA: VulnCheck","vendor":"OpenMage","versions":[{"lessThan":"20.18.2","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"20.18.2","versionType":"semver"}]},{"defaultStatus":"unaffected","product":"magento-lts","source":"CNA: VulnCheck","vendor":"OpenMage","versions":[{"lessThan":"21.0.0-beta3","status":"affected","version":"21.0.0-beta1","versionType":"semver"},{"status":"unaffected","version":"21.0.0-beta3","versionType":"semver"}]}],"cveId":"CVE-2026-128047","cwes":["CWE-330"],"description":"OpenMage magento-lts before 20.18.2 and 21.0.0-beta pre-releases before 21.0.0-beta3 generate customer email-confirmation keys with md5(uniqid()) and customer and administrator password-reset tokens with the non-cryptographic uniqHash(). Unauthenticated attackers can brute-force the roughly 20-bit confirmation key via the unrate-limited confirmAction endpoint to log in as pending customers, or predict administrator reset tokens after recovering generator state.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":9.2,"severity":"critical","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0"},{"score":8.1,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},{"score":9.2,"severity":"critical","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","version":"4.0"},{"score":8.1,"severity":"high","source":"NVD: disclosure@vulncheck.com","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}],"modifiedAt":1794565090543,"publishedAt":1794562433555,"references":[{"source":"CNA: VulnCheck","tags":["vendor-advisory"],"url":"https://github.com/OpenMage/magento-lts/security/advisories/GHSA-7j66-6mw7-rgfx"},{"source":"CNA: VulnCheck","tags":["patch"],"url":"https://github.com/OpenMage/magento-lts/commit/4a8d91c692524de4a07e70af5367b6cb67a9516d"},{"source":"CNA: VulnCheck","tags":["patch"],"url":"https://github.com/OpenMage/magento-lts/commit/9f5a1c3cf63f5cf6ac9f90b041a97a474cea04c2"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/openmage-magento-lts-before-20.18.2-account-takeover-via-predictable-confirmation-key"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/OpenMage/magento-lts/commit/4a8d91c692524de4a07e70af5367b6cb67a9516d"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/OpenMage/magento-lts/commit/9f5a1c3cf63f5cf6ac9f90b041a97a474cea04c2"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://github.com/OpenMage/magento-lts/security/advisories/GHSA-7j66-6mw7-rgfx"},{"source":"disclosure@vulncheck.com","tags":[],"url":"https://www.vulncheck.com/advisories/openmage-magento-lts-before-20.18.2-account-takeover-via-predictable-confirmation-key"}],"remediation":[{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/OpenMage/magento-lts/commit/4a8d91c692524de4a07e70af5367b6cb67a9516d"},{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/OpenMage/magento-lts/commit/9f5a1c3cf63f5cf6ac9f90b041a97a474cea04c2"}],"revision":"4e8bb9faf06d362c7919bf6ad2075e2abb6f298d4aa5ed891240b65d3dc35f01","sources":[{"modifiedAt":1794562433555,"name":"CNA: VulnCheck","retrievedAt":1794564842678,"url":"https://www.cve.org/CVERecord?id=CVE-2026-128047"},{"modifiedAt":1794565090543,"name":"NVD","retrievedAt":1794572254641,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-128047"}],"ssvc":null,"status":"published","title":"OpenMage magento-lts before 20.18.2 Account Takeover via Predictable Confirmation Key","updatedAt":1794572254641}