CVE-2026-45247

CRITICAL CISA KEV EPSS 97.8%
Published May 26, 20261mo ago · Modified Jun 17, 20262w ago
9.3 CVSS 4.0
Critical
Find Similar
Published May 26, 2026 1mo ago
Last Modified Jun 17, 2026 2w ago
KEV Listed Jun 3, 2026 4w ago
KEV Due Jun 6, 2026 26d overdue

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.

CVSS Details

Base Score
9.3
Exploitability
—
Impact
—
Vector string
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
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

CISA Known Exploited Overdue 26d
Added
Jun 3, 2026
Due
Jun 6, 2026

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

EPSS Exploit Probability
97.8% percentile
Exploit & Patch Status
Actively Exploited (KEV)
No Patch Available

Weaknesses 1

CWE-502 Deserialization of Untrusted Data Validation

Affected Products 1

VendorProductVersionRange
mirasvitfull_page_cache_warmer* <1.11.12

References 5

  • mirasvit.com https://mirasvit.com/package/changelog/?package=mirasvit/module-cache-warmer
    Release Notes
  • sansec.io https://sansec.io/research/mirasvit-cache-warmer-object-injection
    Third Party Advisory
  • cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-45247
    US Government Resource
  • imperva.com https://www.imperva.com/blog/imperva-customers-protected-against-cve-2026-45247-in-mirasvit-full-page-cache-warmer-for-magento/
    Third Party Advisory
  • vulncheck.com https://www.vulncheck.com/advisories/mirasvit-cache-warmer-for-magento-php-object-injection
    Third Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.