CVE-2026-45247

CRITICAL KEV

Mirasvit Cache Warmer for Magento < 1.11.12 PHP Object Injection

Title source: cna

Exploitation Summary

CVE-2026-45247 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added June 3, 2026. EIP tracks 2 public exploits from researchers including fevar54, HORKimhab.

AI-analyzed exploit summary This repository contains a functional exploit for CVE-2026-45247, targeting a PHP object injection vulnerability in Mirasvit Full Page Cache Warmer for Magento 2. The exploit leverages gadget chains from Monolog to achieve unauthenticated remote code execution via a maliciously crafted 'CacheWarmer' cookie.

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.

Exploits (2)

github WORKING POC

by fevar54 · pythonremote

https://github.com/fevar54/PoC-Funcional---CVE-2026-45247-Mirasvit-Full-Page-Cache-Warmer-RCE-

View Code ZIP pw:eip

This repository contains a functional exploit for CVE-2026-45247, targeting a PHP object injection vulnerability in Mirasvit Full Page Cache Warmer for Magento 2. The exploit leverages gadget chains from Monolog to achieve unauthenticated remote code execution via a maliciously crafted 'CacheWarmer' cookie.

Classification

Working Poc 95%

Attack Type

Rce

Complexity

Moderate

Reliability

Reliable

Target: Mirasvit Full Page Cache Warmer for Magento 2 (versions < 1.11.12)

No auth needed

Prerequisites: Target running vulnerable version of Mirasvit Full Page Cache Warmer · Access to the target URL

MITRE ATT&CK

T1190 - Exploit Public-Facing Application T1059 - Command and Scripting Interpreter T1203 - Exploitation for Client Execution

devstral-2 · analyzed Jun 10, 2026 Full analysis →

github STUB

by HORKimhab · poc

https://github.com/HORKimhab/CVE-2026-45247

View Code ZIP pw:eip

The repository contains no actual exploit code or technical details about CVE-2026-45247. It only includes a template README with generic usage instructions and a placeholder file for CVE IDs.

Classification

Stub 95%

Attack Type

Other

Complexity

Trivial

Reliability

Theoretical

Target: unspecified

No auth needed

Prerequisites: none

MITRE ATT&CK

T1190 - Exploit Public-Facing Application

devstral-2 · analyzed Jun 04, 2026 Full analysis →

References (5)

Core 5

Core References

US Government Resource

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-45247

Third Party Advisory

https://www.imperva.com/blog/imperva-customers-protected-against-cve-2026-45247-in-mirasvit-full-page-cache-warmer-for-magento/

Technical Description technical-description

https://sansec.io/research/mirasvit-cache-warmer-object-injection

Patch release-notes patch

https://mirasvit.com/package/changelog/?package=mirasvit/module-cache-warmer

Third Party Advisory third-party-advisory

https://www.vulncheck.com/advisories/mirasvit-cache-warmer-for-magento-php-object-injection

Scores

CVSS v3 9.8

EPSS 0.0150

EPSS Percentile 71.0%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation active

Automatable yes

Technical Impact total

Details

CISA KEV 2026-06-03

VulnCheck KEV 2026-05-29

ENISA EUVD EUVD-2026-31837

CWE

CWE-502

Status published

Products (2)

Mirasvit/Full Page Cache Warmer for Magento 2 < 1.11.12

mirasvit/full_page_cache_warmer < 1.11.12

Published May 26, 2026

KEV Added Jun 03, 2026

Tracked Since May 26, 2026