CVE-2026-26339

CRITICAL
2026-02-19 [email protected]
9.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 22:03 vuln.today
CVE Published
Feb 19, 2026 - 18:25 nvd
CRITICAL 9.8

Tags

RCE Alfresco Transform Core Alfresco Transform Service

Description

Hyland Alfresco Transformation Service allows unauthenticated attackers to achieve remote code execution through the argument injection vulnerability, which exists in the document processing functionality.

Analysis

RCE via argument injection in Hyland Alfresco Transformation Service. Unauthenticated attackers can execute commands through document transformation.

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Remediation

Within 24 hours: Inventory all systems running Hyland Alfresco Transformation Service and assess network exposure; implement network segmentation to restrict access to this service. Within 7 days: Deploy Web Application Firewall rules to block malicious requests targeting the vulnerability; disable the Transformation Service if operationally feasible or restrict access to trusted internal networks only. …

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Priority Score

49
Low Medium High Critical
KEV: 0
EPSS: +0.2
CVSS: +49
POC: 0

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CVE-2026-26339 vulnerability details – vuln.today
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