CVE-2026-45247 KEV
9.8
CRITICAL · CVSS 3.1 · EPSS 2.1% (pctl 81)
Patch first
On CISA KEV — known exploited in the wild, due 2026-06-06.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 2.09% — more likely to be exploited than 81% of all CVEs |
| Weakness | CWE-502 |
| On CISA KEV | yes — remediate by 2026-06-06 |
| Public exploit | none known |
| Published | 2026-05-26 |
| Last modified | 2026-07-24 |
CISA KEV
| Name | Mirasvit Full Page Cache Warmer Deserialization of Untrusted Data Vulnerability |
|---|---|
| Added | 2026-06-03 |
| Due | 2026-06-06 |
| Vendor / product | Mirasvit / Mirasvit Full Page Cache Warmer |
| Ransomware use | none reported |
Affected (1)
| Vendor | Product |
|---|---|
| mirasvit | full page cache warmer |
References
- https://mirasvit.com/package/changelog/?package=mirasvit/module-cache-warmer
- https://sansec.io/research/mirasvit-cache-warmer-object-injection
- https://www.vulncheck.com/advisories/mirasvit-cache-warmer-for-magento-php-object-injection
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-45247
- https://www.imperva.com/blog/imperva-customers-protected-against-cve-2026-45247-in-mirasvit-full-page-cache-warmer-for-magento/
→ the Explorer · watch your stack · NVD