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.
References
- www.cve.org/CVERecord ↗
- nvd.nist.gov/vuln/detail/CVE-2026-128047 ↗
- github.com/OpenMage/magento-lts/commit/4a8d91c692524de4a07e70af5367b6cb67a9516d ↗
- github.com/OpenMage/magento-lts/commit/9f5a1c3cf63f5cf6ac9f90b041a97a474cea04c2 ↗
- github.com/OpenMage/magento-lts/security/advisories/GHSA-7j66-6mw7-rgfx ↗
- www.vulncheck.com/advisories/openmage-magento-lts-before-20.18.2-account-takeover-via-predictable-confirmation-key ↗
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This product uses the NVD API but is not endorsed or certified by the NVD. CVSS scores do not establish exploitation.