CVE-2026-45247 kev in the critical feed json
Mirasvit Cache Warmer for Magento < 1.11.12 PHP Object Injection
published 2026-05-26 5 mo ago modified 2026-07-24 3 mo ago also EUVD-2026-31837
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Exploited
- added 2026-06-03
- epss
- 26.2%
- EPSS 26.2% chance of exploitation in 30 days, percentile 98%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
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.
- Mirasvit Full Page Cache Warmer for Magento 2 1.11.12
Timeline
- Published
- CISA SSVC: exploitation active
- Added to CISA KEV
- CISA patch deadline
Known exploited
- Added
- 5 mo ago
- Patch by
- 2026-06-06 (5 mo ago)
- Ransomware
- Not known
- 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.
- Vendor, product
- Mirasvit, Mirasvit Full Page Cache Warmer
- CISA name
- Mirasvit Full Page Cache Warmer Deserialization of Untrusted Data Vulnerability
CISA SSVC
- Exploitation
- Active, exploited in the wild
- Automatable
- yes
- Technical impact
- total
- Assessed
- 5 mo ago
Exploit prediction
26.16% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 9.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 4.0 | 9.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Affected products
- Mirasvit Full Page Cache Warmer for Magento 2
Classification
- Weakness
-
- CWE-502 Deserialization of Untrusted Data
References
-
mirasvit.com
/package/changelog/?package=mirasvit/module-cache-warmer
release-notes, patch
-
sansec.io
/research/mirasvit-cache-warmer-object-injection
technical-description, third-party-advisory
-
vulncheck.com
/advisories/mirasvit-cache-warmer-for-magento-php-object-injection
third-party-advisory
-
imperva.com
/blog/imperva-customers-protected-against-cve-2026-45247-in-mirasvit-full-page-cache-warmer-for-magento/
media-coverage, third-party-advisory
-
cisa.gov
/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-45247
government-resource, us-government-resource
Sources
- CVE List CVE-2026-45247
- NVD CVE-2026-45247
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.