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CVE-2026-45247 (GCVE-0-2026-45247)

Vulnerability from cvelistv5 – Published: 2026-05-26 14:15 – Updated: 2026-06-04 03:55
VLAI CISA Previdian
Title
Mirasvit Cache Warmer for Magento < 1.11.12 PHP Object Injection
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.
Severity
9.3 (Critical)
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
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: active Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-03 00:00 UTC
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
References
Impacted products
Vendor Product Version CPE status
Mirasvit Full Page Cache Warmer for Magento 2 Affected: 0 , < 1.11.12 (semver)
guessed Create a notification for this product.
Date Public
2026-05-25 00:00
Credits
Sansec
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 95748f0d-4729-4c94-9605-d8bb1c89553a

Vulnerability ID: CVE-2026-45247

Status: Confirmed

Status Updated: 2026-06-03 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2026-06-03
Asserted: 2026-06-03
Scope
Notes: KEV entry: Mirasvit Full Page Cache Warmer Deserialization of Untrusted Data Vulnerability | Affected: Mirasvit / Mirasvit Full Page Cache Warmer | 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: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. | Due date: 2026-06-06 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://mirasvit.com/package/changelog/?package=mirasvit/module-cache-warmer ; https://nvd.nist.gov/vuln/detail/CVE-2026-45247
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-502
Feed CISA Known Exploited Vulnerabilities Catalog
Product Mirasvit Full Page Cache Warmer
Due Date 2026-06-06
Date Added 2026-06-03
Vendorproject Mirasvit
Vulnerabilityname Mirasvit Full Page Cache Warmer Deserialization of Untrusted Data Vulnerability
Knownransomwarecampaignuse Unknown
References
Created: 2026-06-03 19:00 UTC | Updated: 2026-06-03 19:00 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 8a2027fb-b891-4d63-926d-c5ccff81bc24

Vulnerability ID: CVE-2026-45247

Status: Confirmed

Status Updated: 2026-06-03 18:00 UTC

Exploited: Yes

Timestamps
First Seen: 2026-06-03
Asserted: 2026-06-03
Scope
Notes: KEVIntel entry: Mirasvit Cache Warmer for Magento < 1.11.12 PHP Object Injection | Affected: Mirasvit / Full Page Cache Warmer for Magento 2 | CVSS: 9.3 (CRITICAL) | EPSS: 0.01502 | Used in malware: unknown | Not yet in CISA KEV: False
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title Mirasvit Cache Warmer for Magento < 1.11.12 PHP Object Injection
Vendor Mirasvit
Product Full Page Cache Warmer for Magento 2
Added Date 2026-06-03T18:00:21.829Z
Cvss Score 9.3
Epss Score 0.01502
Cvss Severity CRITICAL
Epss Percentile 0.70962
Used In Malware unknown
Ahead Of Cisa Kev None
Not Yet In Cisa Kev False
References
Created: 2026-06-23 14:03 UTC | Updated: 2026-07-10 06:14 UTC
Show details on NVD website
To clipboard 

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                "subAvailabilityImpact": "NONE",
                "subConfidentialityImpact": "NONE",
                "subIntegrityImpact": "NONE",
                "userInteraction": "NONE",
                "valueDensity": "NOT_DEFINED",
                "vectorString": "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",
                "version": "4.0",
                "vulnAvailabilityImpact": "HIGH",
                "vulnConfidentialityImpact": "HIGH",
                "vulnIntegrityImpact": "HIGH",
                "vulnerabilityResponseEffort": "NOT_DEFINED"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en",
                  "value": "GENERAL"
                }
              ]
            },
            {
              "cvssV3_1": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 9.8,
                "baseSeverity": "CRITICAL",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-502",
                  "description": "Deserialization of Untrusted Data",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-05-26T14:15:33.596Z",
            "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
            "shortName": "VulnCheck"
          },
          "references": [
            {
              "tags": [
                "technical-description"
              ],
              "url": "https://sansec.io/research/mirasvit-cache-warmer-object-injection"
            },
            {
              "tags": [
                "release-notes",
                "patch"
              ],
              "url": "https://mirasvit.com/package/changelog/?package=mirasvit/module-cache-warmer"
            },
            {
              "tags": [
                "third-party-advisory"
              ],
              "url": "https://www.vulncheck.com/advisories/mirasvit-cache-warmer-for-magento-php-object-injection"
            }
          ],
          "source": {
            "discovery": "UNKNOWN"
          },
          "title": "Mirasvit Cache Warmer for Magento \u003c 1.11.12 PHP Object Injection",
          "x_generator": {
            "engine": "vulncheck"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "assignerShortName": "VulnCheck",
        "cveId": "CVE-2026-45247",
        "datePublished": "2026-05-26T14:15:33.596Z",
        "dateReserved": "2026-05-11T14:14:49.613Z",
        "dateUpdated": "2026-06-04T03:55:44.156Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.