Findings

CVE-2026-45247

Mirasvit Full Page Cache Warmer Deserialization of Untrusted Data Vulnerability

Published May 26, 2026 · updated Jul 24, 2026 · Mirasvit Mirasvit Full Page Cache Warmer

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.

Timeline

Detection, updates, and resolution for this record.

  1. May 26, 2026 · Catalog

    Detected

    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 de

  2. Jun 3, 2026 · CISA KEV

    Known exploited

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

  3. Jun 6, 2026 · CISA KEV

    Remediation due

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

  4. Jul 24, 2026 · Catalog

    Updated

    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 de

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.

CISA due date Jun 6, 2026

Affected

  • cpe mirasvit/full page cache warmerversion unspecified
  • vendor Mirasvit Mirasvit Full Page Cache Warmerversion unspecified

Sources

  • CISA KEVCVE-2026-45247

    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.

    cisa.gov
  • CVE.orgCVE-2026-45247

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2026-45247

    30-day exploitation probability 2.1%

    first.org
  • NIST NVDCVE-2026-45247

    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

    nvd.nist.gov

References