CVE-2026-45247

Summary

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 Software

Weaknesses

• CWE-502: Deserialization of Untrusted Data

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: active
  • Automatable: yes
  • Technical Impact: total

Additional References

• https://www.imperva.com/blog/imperva-customers-protected-against-cve-2026-45247-in-mirasvit-full-page-cache-warmer-for-magento/
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-45247

References

• https://sansec.io/research/mirasvit-cache-warmer-object-injection
• https://mirasvit.com/package/changelog/?package=mirasvit/module-cache-warmer
• https://www.vulncheck.com/advisories/mirasvit-cache-warmer-for-magento-php-object-injection

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