CVE-2026-26339 PUBLISHED

Hyland Alfresco Transformation Service Argument Injection RCE

Assigner: VulnCheck
Reserved: 13.02.2026 Published: 19.02.2026 Updated: 20.02.2026

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 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
CVSS Score: 9.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 9.8

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Hyland
Product	Alfresco Transformation Service (Enterprise)
Versions	Default: unaffected affected from 0 to 4.2.3 (excl.)

Vendor	Hyland
Product	Alfresco Community (Transform Core)
Versions	Default: unaffected affected from 0 to 5.2.4 (excl.)

CVE-2026-26339 PUBLISHED

Hyland Alfresco Transformation Service Argument Injection RCE

Metrics

Product Status

Credits

References

Problem Types