CVE-2026-45247Mirasvit Cache Warmer for Magento < 1.11.12 PHP Object Injection
Updated under an hour ago ()
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It affects Mirasvit Full Page Cache Warmer for Magento 2 and 1 other product. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Jun 3, 2026; federal agencies had to remediate by Jun 6, 2026. Treat that date as your deadline.
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Free account, 1 product
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
- 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-502
- Known exploited
- Added to CISA KEV Jun 3, 2026; federal remediation due Jun 6, 2026Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- EPSS (exploitation in the next 30 days)
- 2.08% (percentile 81)
- Assigned by
- VulnCheck
- NVD analysis
- Analyzed
- Record last updated
- Jun 4, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Mirasvit Full Page Cache Warmer for Magento 2 mirasvit:full_page_cache_warmer_for_magento_2 (from the name) | before 1.11.12 | CNA record |
mirasvit full_page_cache_warmer mirasvit:full_page_cache_warmer | before 1.11.12 | NVD |
References
- https://sansec.io/research/mirasvit-cache-warmer-object-injectiontechnical-description, third-party-advisory
- https://mirasvit.com/package/changelog/?package=mirasvit/module-cache-warmerrelease-notes, patch
- https://www.vulncheck.com/advisories/mirasvit-cache-warmer-for-magento-php-object-injectionthird-party-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-45247us-government-resource
- https://www.imperva.com/blog/imperva-customers-protected-against-cve-2026-45247-in-mirasvit-full-page-cache-warmer-for-magento/third-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.