June 3, 2026 · Applied Cybernetics Group
CVE-2026-45247 — Mirasvit Mirasvit Full Page Cache Warmer
Mirasvit Full Page Cache Warmer Deserialization of Untrusted Data Vulnerability
- Added to KEV
2026-06-03- Federal due date
2026-06-06- Vendor
- Mirasvit
- Product
- Mirasvit Full Page Cache Warmer
- EPSS
- 91.0th percentile (score 0.061, as of
2026-06-08) - NVD CVSS v3.1
- 9.8 (CRITICAL)
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2026-45247
CISA short description
Mirasvit Full Page Cache Warmer contains a deserialization of untrusted data vulnerability that could allow unauthenticated attackers to achieve remote code execution by supplying a crafted serialized PHP object in the CacheWarmer cookie.
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
NVD description
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.