CVE-2026-45247 · netVigilance record NV26-0127
Mirasvit Full Page Cache Warmer Deserialization of Untrusted Data
past due
What to do
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 deadline 2026-06-06 · passed 3 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA
What happened
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.
Who is affected
Mirasvit Mirasvit Full Page Cache Warmer. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.
Weakness class: CWE-502.
Timeline
- Added to CISA KEVExploitation in the wild confirmed by CISA
- CISA remediation deadlinepassed 3 months ago
Sources
- NVD entry for CVE-2026-45247 nvd.nist.gov/vuln/detail/CVE-2026-45247
- CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
- mirasvit.com mirasvit.com/package/changelog/?package=mirasvit/module-cache-warmer
- nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2026-45247