CVE-2026-21271 - Vulnerability Details - OpenCVE

Dreamweaver Desktop versions 21.6 and earlier are affected by an Improper Input Validation vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file and scope is changed.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact total

No data.

No data.

No data.

No data.

References

Link	Providers
https://helpx.adobe.com/security/products/dreamweaver/apsb26-01.html

History

Tue, 13 Jan 2026 19:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 13 Jan 2026 18:45:00 +0000

Type	Values Removed	Values Added
Description		Dreamweaver Desktop versions 21.6 and earlier are affected by an Improper Input Validation vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file and scope is changed.
Title		Dreamweaver Desktop \| Improper Input Validation (CWE-20)
Weaknesses		CWE-20
References		https://helpx.adobe.com/security/products/dreamweaver/apsb26-01.html
Metrics		cvssV3_1 `{'score': 8.6, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H'}`

MITRE

Status: PUBLISHED

Assigner: adobe

Published: 2026-01-13T18:25:36.417Z

Updated: 2026-01-13T18:43:54.632Z

Reserved: 2025-12-12T22:01:18.187Z

Link: CVE-2026-21271

Vulnrichment

Updated: 2026-01-13T18:43:50.907Z

NVD

Status : Received

Published: 2026-01-13T19:16:24.543

Modified: 2026-01-13T19:16:24.543

Link: CVE-2026-21271

Redhat

No data.

OpenCVE Enrichment

No data.

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-21271", "assignerOrgId": "078d4453-3bcd-4900-85e6-15281da43538", "state": "PUBLISHED", "assignerShortName": "adobe", "dateReserved": "2025-12-12T22:01:18.187Z", "datePublished": "2026-01-13T18:25:36.417Z", "dateUpdated": "2026-01-13T18:43:54.632Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "affected", "product": "Dreamweaver Desktop", "vendor": "Adobe", "versions": [{"lessThanOrEqual": "21.6", "status": "affected", "version": "0", "versionType": "semver"}]}], "datePublic": "2026-01-13T17:00:00.000Z", "descriptions": [{"lang": "en", "value": "Dreamweaver Desktop versions 21.6 and earlier are affected by an Improper Input Validation vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file and scope is changed."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "environmentalScore": 8.6, "environmentalSeverity": "HIGH", "exploitCodeMaturity": "NOT_DEFINED", "integrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "LOW", "modifiedAttackVector": "LOCAL", "modifiedAvailabilityImpact": "HIGH", "modifiedConfidentialityImpact": "HIGH", "modifiedIntegrityImpact": "HIGH", "modifiedPrivilegesRequired": "NONE", "modifiedScope": "CHANGED", "modifiedUserInteraction": "REQUIRED", "privilegesRequired": "NONE", "remediationLevel": "NOT_DEFINED", "reportConfidence": "NOT_DEFINED", "scope": "CHANGED", "temporalScore": 8.6, "temporalSeverity": "HIGH", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-20", "description": "Improper Input Validation (CWE-20)", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "078d4453-3bcd-4900-85e6-15281da43538", "shortName": "adobe", "dateUpdated": "2026-01-13T18:25:36.417Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://helpx.adobe.com/security/products/dreamweaver/apsb26-01.html"}], "source": {"discovery": "EXTERNAL"}, "title": "Dreamweaver Desktop | Improper Input Validation (CWE-20)"}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-01-13T18:43:07.062410Z", "id": "CVE-2026-21271", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-13T18:43:54.632Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-21271", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-01-13T18:43:07.062410Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-13T18:43:50.907Z"}}], "cna": {"title": "Dreamweaver Desktop | Improper Input Validation (CWE-20)", "source": {"discovery": "EXTERNAL"}, "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.6, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H", "modifiedScope": "CHANGED", "temporalScore": 8.6, "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "remediationLevel": "NOT_DEFINED", "reportConfidence": "NOT_DEFINED", "temporalSeverity": "HIGH", "availabilityImpact": "HIGH", "environmentalScore": 8.6, "privilegesRequired": "NONE", "exploitCodeMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "LOCAL", "confidentialityImpact": "HIGH", "environmentalSeverity": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedIntegrityImpact": "HIGH", "modifiedUserInteraction": "REQUIRED", "modifiedAttackComplexity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "modifiedAvailabilityImpact": "HIGH", "modifiedPrivilegesRequired": "NONE", "modifiedConfidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Adobe", "product": "Dreamweaver Desktop", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "21.6"}], "defaultStatus": "affected"}], "datePublic": "2026-01-13T17:00:00.000Z", "references": [{"url": "https://helpx.adobe.com/security/products/dreamweaver/apsb26-01.html", "tags": ["vendor-advisory"]}], "descriptions": [{"lang": "en", "value": "Dreamweaver Desktop versions 21.6 and earlier are affected by an Improper Input Validation vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file and scope is changed."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-20", "description": "Improper Input Validation (CWE-20)"}]}], "providerMetadata": {"orgId": "078d4453-3bcd-4900-85e6-15281da43538", "shortName": "adobe", "dateUpdated": "2026-01-13T18:25:36.417Z"}}}, "cveMetadata": {"cveId": "CVE-2026-21271", "state": "PUBLISHED", "dateUpdated": "2026-01-13T18:43:54.632Z", "dateReserved": "2025-12-12T22:01:18.187Z", "assignerOrgId": "078d4453-3bcd-4900-85e6-15281da43538", "datePublished": "2026-01-13T18:25:36.417Z", "assignerShortName": "adobe"}, "dataVersion": "5.2"}