CVE-2026-45247
Mirasvit Cache Warmer for Magento < 1.11.12 PHP Object Injection
KEVCRITICAL 9.3EPSS 2.1%
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.
- Affected
- Mirasvit · Full Page Cache Warmer for Magento 2
- CVSS v4.0 VULNCHECK
- 9.3 CRITICAL
CVSS:4.0/AV:N/AC:L/AT:N/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 - CVSS v3.1 VULNCHECK
- 9.8 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS
- 2.08% chance of exploitation in the next 30 days, 81st percentile
- CISA KEV
- added 2026-06-03
- Published
- 2026-05-26
- Updated
- 2026-06-04
Proof-of-concept exploits (2)
- HORKimhab/CVE-2026-452470★ · 2026-06-04
- fevar54/PoC-Funcional---CVE-2026-45247-Mirasvit-Full-Page-Cache-Warmer-RCE-0★ · 2026-06-09
Security advisories
- https://sansec.io/research/mirasvit-cache-warmer-object-injection
- https://www.imperva.com/blog/imperva-customers-protected-against-cve-2026-45247-in-mirasv…
- https://www.vulncheck.com/advisories/mirasvit-cache-warmer-for-magento-php-object-injecti…
- https://mirasvit.com/package/changelog/?package=mirasvit/module-cache-warmer