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 call to PHP's native unserialize() function combined with gadget chains available in Magento and its dependencies to execute arbitrary code on the server.
Is CVE-2026-45247 exploited?
Listed in the CISA KEV catalog on 2026-06-03.
Federal remediation due 2026-06-06.
Past that date by 70 days.
EPSS puts exploitation in the next 30 days at 28%.
Public exploit code: none found in monitored sources.
Which products and versions are affected?
No affected package list recorded here yet.
Is there a patch?
No patch identifier recorded here yet.
What PlainSec published about CVE-2026-45247
PlainSec has not published a story about this CVE.