CVE-2026-26339 CRITICAL

CVE-2026-26339: Hyland Alfresco Transformation Service Argument Injection RCE

Vendor Hyland
Product Alfresco Transformation Service (Enterprise)
Weakness CWE-918 · SSRF
Published February 19, 2026
Last update February 20, 2026
View on NVD All CVEs

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

February 19, 2026 CVE published
February 20, 2026 Record updated