CVE-2026-45247 — Actively Exploited: Mirasvit Full Page Cache Warmer (Mirasvit)
Mirasvit Full Page Cache Warmer contains a deserialization of untrusted data vulnerability that could allow unauthenticated attackers to achieve remote code execution by supplying a crafted serialized PHP object in the CacheWarmer cookie.
| CVE ID | CVE-2026-45247 |
|---|---|
| Vendor | Mirasvit |
| Product | Mirasvit Full Page Cache Warmer |
| Vulnerability name | Mirasvit Full Page Cache Warmer Deserialization of Untrusted Data Vulnerability |
| Date added | 2026-06-03 |
| Remediation due | 2026-06-06 |
| Known ransomware use | Unknown |
| Required action | Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. |
| Description | Mirasvit Full Page Cache Warmer contains a deserialization of untrusted data vulnerability that could allow unauthenticated attackers to achieve remote code execution by supplying a crafted serialized PHP object in the CacheWarmer cookie. |
| Source | CISA Known Exploited Vulnerabilities |
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