ACTIVELY EXPLOITED3 sources verified·1 min read
By Lyrie Threat Intelligence·6/3/2026
CVE-2026-45247 added to CISA KEV: Mirasvit Mirasvit Full Page Cache Warmer
Status: ✅ Confirmed exploited in the wild
Date added: 2026-06-03
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.
Due date: 2026-06-06
Why this matters
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.
Sources
Lyrie Verdict
Lyrie's autonomous detection layer catches active exploitation primitives at machine speed — closing the gap between disclosure and weaponization that traditional defense simply can't cover.
Validated sources
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