CVE-2026-26338

Published: Feb 19, 2026

Modified: Mar 2, 2026

PUBLISHED

CVSS v3.1

9.8

CRITICAL

Description

Hyland Alfresco Transformation Service allows unauthenticated attackers to achieve server-side request forgery (SSRF) through the document processing functionality.

Vendor	Product	Versions
Hyland	Alfresco Transformation Service (Enterprise)	affected `0 - < 4.3.0`
Hyland	Alfresco Community (Transform Core)	affected `0 - < 5.3.0`

Weaknesses (CWE)

CWE-918

CVSS v3.1 Details

CVSS v3.1 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

References

https://connect.hyland.com/t5/alfresco-blog/security-update-cve-2026-26337-cve-2026-26338-cve-2026-26339/ba-p/496551

vendor-advisory

patch

https://www.hyland.com/en/solutions/products/alfresco-platform

product

https://www.vulncheck.com/advisories/hyland-alfresco-transformation-service-ssrf

third-party-advisory

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CVE-2026-26338

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References