Exploitation evidence
Known exploited · CISA KEV listed
Added 2026-10-27. Ransomware campaign use: Unknown.
CISA required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
CISA due date: 2026-11-10. This is the catalog’s deadline, not an assessment of your organization’s exposure.
KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗Reported products and versions
Adobe / Adobe Commerce
Default status: unaffected
- affected: 0 to ≤ 2.4.9, 2.4.8-p5, 2.4.7-p10, 2.4.6-p15, 2.4.5-p17, 2.4.4-p18 (custom)
- unaffected: 2.4.9-2026-jul, 2.4.8-2026-jul, 2.4.7-2026-jul, 2.4.6-2026-jul, 2.4.5-2026-jul, 2.4.4-2026-jul (custom)
Adobe / Adobe Commerce B2B
Default status: unaffected
- affected: 0 to ≤ 1.5.3, 1.5.2-p5, 1.4.2-p10, 1.3.4-p17, 1.3.3-p18 (custom)
- unaffected: 1.5.3-2026-jul, 1.5.2-2026-jul, 1.4.2-2026-jul, 1.3.4-2026-jul, 1.3.3-2026-jul (custom)
Adobe / Magento Open Source
Default status: unaffected
- affected: 0 to ≤ 2.4.9, 2.4.8-p5, 2.4.7-p10, 2.4.6-p15 (custom)
- unaffected: 2.4.9-2026-jul, 2.4.8-2026-jul, 2.4.7-2026-jul, 2.4.6-2026-jul (custom)
Adobe / Adobe Commerce Events
Default status: unaffected
- affected: 0 to ≤ 1.20.0 (semver)
- unaffected: 1.21.0 (semver)
Fixes and workarounds
No explicit solution text in the downloaded CVE record. Consult the vendor advisory; unaffected version ranges are shown above as reported, not inferred as a patch recommendation.
Sources and related reporting
CVE Program record ↗ · Download tracked evidence as JSON
- https://helpx.adobe.com/security/products/magento/apsb26-73.html
- https://sansec.io/research/magento-cms-block-loader-deepveindrilling#indicators-of-compromise
- https://sansec.io/research/polyshell-mass-attack-wave
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-48356
Monitored source mentions
Shared CVE identifiers link source mentions; they do not establish that the reports describe the same incident.
Observed change timeline
History begins when Egret first downloads each source. It is not the complete upstream CVE history.
12 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-12",
"epss": 0.47472,
"percentile": 0.9886
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.47472,
"percentile": 0.98852
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.47472,
"percentile": 0.9885
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.47472,
"percentile": 0.98849
}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.47472,
"percentile": 0.98848
}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.47472,
"percentile": 0.98848
}06 Nov 2026, 06:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.47472,
"percentile": 0.98846
}04 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-04",
"epss": 0.47472,
"percentile": 0.98846
}03 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-03",
"epss": 0.44579,
"percentile": 0.9877
}03 Nov 2026, 02:22 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-02",
"epss": 0.44579,
"percentile": 0.98769
}03 Nov 2026, 02:22 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-48356",
"options": [
{
"Exploitation": "active"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-07-14T00:00:00+00:00",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-10-28T03:55:44.631Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"third-party-advisory"
],
"url": "https://sansec.io/research/magento-cms-block-loader-deepveindrilling#indicators-of-compromise"
},
{
"tags": [
"third-party-advisory"
],
"url": "https://sansec.io/research/polyshell-mass-attack-wave"
},
{
"tags": [
"government-resource"
],
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-48356"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Adobe Commerce",
"vendor": "Adobe",
"versions": [
{
"lessThanOrEqual": "2.4.9, 2.4.8-p5, 2.4.7-p10, 2.4.6-p15, 2.4.5-p17, 2.4.4-p18",
"status": "affected",
"version": "0",
"versionType": "custom"
},
{
"status": "unaffected",
"version": "2.4.9-2026-jul, 2.4.8-2026-jul, 2.4.7-2026-jul, 2.4.6-2026-jul, 2.4.5-2026-jul, 2.4.4-2026-jul",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Adobe Commerce B2B",
"vendor": "Adobe",
"versions": [
{
"lessThanOrEqual": "1.5.3, 1.5.2-p5, 1.4.2-p10, 1.3.4-p17, 1.3.3-p18",
"status": "affected",
"version": "0",
"versionType": "custom"
},
{
"status": "unaffected",
"version": "1.5.3-2026-jul, 1.5.2-2026-jul, 1.4.2-2026-jul, 1.3.4-2026-jul, 1.3.3-2026-jul",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Magento Open Source",
"vendor": "Adobe",
"versions": [
{
"lessThanOrEqual": "2.4.9, 2.4.8-p5, 2.4.7-p10, 2.4.6-p15",
"status": "affected",
"version": "0",
"versionType": "custom"
},
{
"status": "unaffected",
"version": "2.4.9-2026-jul, 2.4.8-2026-jul, 2.4.7-2026-jul, 2.4.6-2026-jul",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Adobe Commerce Events",
"vendor": "Adobe",
"versions": [
{
"lessThanOrEqual": "1.20.0",
"status": "affected",
"version": "0",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "1.21.0",
"versionType": "semver"
}
]
}
],
"datePublic": "2026-07-14T17:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "Adobe Commerce is affected by an Unrestricted Upload of File with Dangerous Type vulnerability that could result in arbitrary code execution in the context of the current user, potentially gaining elevated access or control over the victim's account or session. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page. Scope is changed."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"availabilityRequirement": "NOT_DEFINED",
"baseScore": 9.3,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"confidentialityRequirement": "NOT_DEFINED",
"environmentalScore": 9.3,
"environmentalSeverity": "CRITICAL",
"exploitCodeMaturity": "NOT_DEFINED",
"integrityImpact": "HIGH",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackComplexity": "LOW",
"modifiedAttackVector": "NETWORK",
"modifiedAvailabilityImpact": "NONE",
"modifiedConfidentialityImpact": "HIGH",
"modifiedIntegrityImpact": "HIGH",
"modifiedPrivilegesRequired": "NONE",
"modifiedScope": "CHANGED",
"modifiedUserInteraction": "REQUIRED",
"privilegesRequired": "NONE",
"remediationLevel": "NOT_DEFINED",
"reportConfidence": "NOT_DEFINED",
"scope": "CHANGED",
"temporalScore": 9.3,
"temporalSeverity": "CRITICAL",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-434",
"description": "Unrestricted Upload of File with Dangerous Type (CWE-434)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-27T22:39:18.114Z",
"orgId": "078d4453-3bcd-4900-85e6-15281da43538",
"shortName": "adobe"
},
"references": [
{
"tags": [
"vendor-advisory"
],
"url": "https://helpx.adobe.com/security/products/magento/apsb26-73.html"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "Adobe Commerce | Unrestricted Upload of File with Dangerous Type (CWE-434)",
"x_generator": {
"engine": "cvelib 1.8.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "078d4453-3bcd-4900-85e6-15281da43538",
"assignerShortName": "adobe",
"cveId": "CVE-2026-48356",
"datePublished": "2026-07-14T19:44:17.036Z",
"dateReserved": "2026-05-21T15:28:38.140Z",
"dateUpdated": "2026-10-28T03:55:44.631Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed
Stored KEV snapshot at this observation.
{
"cveID": "CVE-2026-48356",
"cwes": [
"CWE-434"
],
"dateAdded": "2026-10-27",
"dueDate": "2026-11-10",
"forensicTriage": "No",
"knownRansomwareCampaignUse": "Unknown",
"notes": "https://www.adobe.com/trust/security/products/commerce/apsb26-73.html ; ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-48356",
"product": "Commerce and Magento",
"requiredAction": "Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.",
"shortDescription": "Adobe Commerce and Magento contain an unrestricted upload of file with dangerous type vulnerability that could result in arbitrary code execution in the context of the current user, potentially gaining elevated access or control over the victim's account or session.",
"vendorProject": "Adobe",
"vulnerabilityName": "Adobe Commerce and Magento Unrestricted Upload of File with Dangerous Type Vulnerability"
}