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CVE-2026-45247: Mirasvit Full Page Cache

Status: KEV  |  Advisory ID: CVE-2026-45247

Key Details

CVECVE-2026-45247
Affected productsMirasvit Mirasvit Full Page Cache Warmer
Exploitation statusListed in CISA's Known Exploited Vulnerabilities (KEV) catalog, indicating confirmed active exploitation.
Classified asCWE-502 (Deserialization of Untrusted Data)
KEV listingAdded to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2026-06-03.
Exploitation prediction (EPSS)28% probability of exploitation in the next 30 days (98% percentile) -- FIRST.org's EPSS model.
Federal remediation deadline2026-06-06 (CISA KEV, Binding Operational Directive).

What to Know

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.

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-45247