9 Realms Cybersecurity
AdvisoriesCVE-2026-45247

Mirasvit Full Page Cache Warmer Deserialization of Untrusted Data Vulnerability

MirasvitMirasvit Full Page Cache WarmerAdded June 3, 2026

CISA Known Exploited Vulnerabilities Data

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.

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.

CISA Due Date

June 6, 2026 (federal agency requirement)

Known Ransomware Campaign Use

Unknown

Notes

https://mirasvit.com/package/changelog/?package=mirasvit/module-cache-warmer ; https://nvd.nist.gov/vuln/detail/CVE-2026-45247

External References

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Data sourced from the CISA Known Exploited Vulnerabilities catalog. CISA does not endorse any commercial product or service.