CVE-2026-45247
Act now ● On CISA KEV — actively exploited
Actively exploited — on the CISA KEV list.
CVSS base
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
27.5%
98.0th percentile
CISA KEV
Listed
Added 2026-06-03 · patch by 2026-06-06
Weakness / dates
CWE-502
Published 2026-05-26 · modified 2026-07-24
CVSS breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
| Attack Vector | N | Network |
| Attack Complexity | L | Low |
| Privileges Required | N | None |
| User Interaction | N | None |
| Scope | U | Unchanged |
| Confidentiality | H | High |
| Integrity | H | High |
| Availability | H | High |
Timeline
- 2026-05-26 — Published (NVD)
- 2026-06-03 — Added to CISA KEV (actively exploited)
- 2026-06-06 — CISA patch-by deadline
- 2026-07-24 — Last modified (NVD)
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.
Affected
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/