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TI-2026-33054 Aliases CVE-2026-45247GHSA-rg8p-9rpg-r32p

Mirasvit Cache Warmer for Magento < 1.11.12 PHP Object Injection

Priority CRITICAL 99Exploited in the wildCWE-502Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-502.

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.

Why it matters now

Exploitation Active In CISA KEV since 2026-06-03CISA due date 2026-06-06
EPSS 0.26157 98th percentileScored 2026-11-07
Fix Fixed Full Page Cache Warmer for Magento 2 (Mirasvit): 1.11.12

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Active
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MirasvitFull Page Cache Warmer for Magento 2before 1.11.121.11.12Patch availableCNA
  • Full Page Cache Warmer for Magento 2 VendorMirasvit Affected before 1.11.12 Fixed in 1.11.12 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mirasvit:full_page_cache_warmer:*:*:*:*:*:magento:*:*before 1.11.12VulnerableMirasvit
  • cpe:2.3:a:mirasvit:full_page_cache_warmer:*:*:*:*:*:magento:*:* Versions before 1.11.12 Vulnerable ·Mirasvit

Remediation

  • Fix · CNA Full Page Cache Warmer for Magento 2 (Mirasvit) Fixed in 1.11.12

Timeline

  1. 2026-06-03 Added to CISA KEV
  2. 2026-10-02 Threatist record created from CVE-2026-45247
  3. 2026-10-03 Alias added: GHSA-rg8p-9rpg-r32p
  4. 2026-10-25 EPSS moved to the 95th–99th percentile

References

Sources