CISA Adds Exploited Magento RCE Flaw CVE-2026-45247 to KEV Catalog

The U.S. Cybersecurity and Infrastructure Security Agency CISA on Wednesday added a critical flaw impacting Mirasvit Cache Warmer, a popular Magento full-page cache extension, to its Known Exploited Vulnerabilities KEV catalog, following reports of active exploitation in the wild. The...

CISA Adds One Known Exploited Vulnerability to Catalog

CISA has added one new vulnerability to its Known Exploited Vulnerabilities KEV Catalog, based on evidence of active exploitation. CVE-2026-45247link is external Mirasvit Full Page Cache Warmer Deserialization of Untrusted Data Vulnerability This type of vulnerability is a frequent attack vector...

VulnCheck KEV: CVE-2026-45247

Mirasvit Full Page Cache Warmer for Magento 2 before version 1.11.12 contains a PHP object injection vulnerability that allows unauthenticated attackers to achieve remote code execution by supplying a crafted serialized PHP object in the CacheWarmer cookie. Attackers can exploit the unrestricted...

CVE-2026-45247 Mirasvit Cache Warmer for Magento < 1.11.12 PHP Object Injection

Mirasvit Full Page Cache Warmer for Magento 2 before version 1.11.12 contains a PHP object injection vulnerability that allows unauthenticated attackers to achieve remote code execution by supplying a crafted serialized PHP object in the CacheWarmer cookie. Attackers can exploit the unrestricted...

CVE-2026-45247

Summary: CVE-2026-45247 affects Mirasvit Full Page Cache Warmer for Magento 2 (pre‑1.11.12). The vulnerability arises from an unsafe PHP deserialization: a crafted serialized object placed in the CacheWarmer cookie is passed to PHP’s unserialize() without class restrictions, enabling unauthentica...