CVE-2026-45247
Mirasvit Cache Warmer for Magento < 1.11.12 PHP Object Injection
- State
- Published
- Severity
- 9.3 Critical
- Published
- May 26, 2026
- Updated
- Jun 4, 2026
- Reserved
- May 11, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 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 | VulnCheck |
| 3.1 | 9.8 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-502 Deserialization of Untrusted Data
Affected Products
| Product | Versions |
|---|---|
Full Page Cache Warmer for Magento 2Mirasvit |
|
References
- https://sansec.io/research/mirasvit-cache-warmer-object-injectiontechnical-description
- https://mirasvit.com/package/changelog/?package=mirasvit/module-cache-warmerrelease-notespatch
- https://www.vulncheck.com/advisories/mirasvit-cache-warmer-for-magento-php-object-injectionthird-party-advisory
- https://www.imperva.com/blog/imperva-customers-protected-against-cve-2026-45247-in-mirasvit-full-page-cache-warmer-for-magento/media-coverage
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-45247government-resource
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