CRITICAL · 9.8

CVE-2026-26339

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

Vulnerability 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.

CVSS Score

9.8

CRITICAL

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

Affected Products

VendorProductVersions
HylandAlfresco Transform Service< 4.2.3
HylandAlfresco Transform Core< 5.2.4

Related Weaknesses (CWE)

References

FAQ

What is CVE-2026-26339?

CVE-2026-26339 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Hyland Alfresco Transformation Service allows unauthenticated attackers to achieve remote code execution through the argument injection vulnerability, which exists in the document processing functiona...

How severe is CVE-2026-26339?

CVE-2026-26339 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-26339?

Check the references section above for vendor advisories and patch information. Affected products include: Hyland Alfresco Transform Service, Hyland Alfresco Transform Core.