CVE-2026-45247 — Mirasvit Full Page Cache Warmer Deserialization of Untrusted Data Vulnerability
CVE-2026-45247: Mirasvit Full Page Cache Warmer Deserialization of Untrusted Data Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | Mirasvit |
| Product | Mirasvit Full Page Cache Warmer |
| Date added | 2026-06-03 |
| Due date | 2026-06-06 |
| Ransomware campaign use | Unknown |
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 (CISA)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Notes
https://mirasvit.com/package/changelog/?package=mirasvit/module-cache-warmer ; https://nvd.nist.gov/vuln/detail/CVE-2026-45247
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-45247
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog