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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.

PUBLISHED Reserved 2026-02-13 | Published 2026-02-19 | Updated 2026-02-20 | Assigner VulnCheck




CRITICAL: 9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

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

Problem types

CWE-918 Server-Side Request Forgery (SSRF)

Product status

Default status
unaffected

Any version before 4.2.3
affected

Default status
unaffected

Any version before 5.2.4
affected

Credits

Piotr Bazydlo (@chudyPB) of watchTowr finder

References

connect.hyland.com/...-2026-26338-cve-2026-26339/ba-p/496551 vendor-advisory patch

www.hyland.com/en/solutions/products/alfresco-platform product

www.vulncheck.com/...ormation-service-argument-injection-rce third-party-advisory

cve.org (CVE-2026-26339)

nvd.nist.gov (CVE-2026-26339)

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