# CVE-2026-45247: Mirasvit Cache Warmer for Magento < 1.11.12 PHP Object Injection

> CVE-2026-45247: Mirasvit Cache Warmer for Magento < 1.11.12 PHP Object Injection. CVSS 9.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2026-45247
Last updated: 2026-07-24T11:10:00Z

- Published: 2026-05-26 14:15 UTC · Updated: 2026-07-24 11:10 UTC · Assigner: VulnCheck
- CVSS: 9.8 (CVSS 3.1) · Severity: Critical · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS: 26.2%, 98th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2026-06-03, federal due date 2026-06-06, ransomware use: Unknown
- CWE: CWE-502

## Description

Mirasvit Full Page Cache Warmer for Magento 2 before version 1.11.12 contains a PHP object injection vulnerability that allows unauthenticated attackers to achieve remote code execution by supplying a crafted serialized PHP object in the CacheWarmer cookie. Attackers can exploit the unrestricted call to PHP's native unserialize() function combined with gadget chains available in Magento and its dependencies to execute arbitrary code on the server.

## CISA 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.

## Affected vendors and products

- Mirasvit: Full Page Cache Warmer for Magento 2

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-45247)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-45247)
- [https://mirasvit.com/package/changelog/?package=mirasvit/module-cache-warmer](https://mirasvit.com/package/changelog/?package=mirasvit/module-cache-warmer)
- [https://sansec.io/research/mirasvit-cache-warmer-object-injection](https://sansec.io/research/mirasvit-cache-warmer-object-injection)
- [https://www.vulncheck.com/advisories/mirasvit-cache-warmer-for-magento-php-object-injection](https://www.vulncheck.com/advisories/mirasvit-cache-warmer-for-magento-php-object-injection)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-45247 · Markdown: https://rewindex.com/cve/CVE-2026-45247.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-45247 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:06:22.017Z