CVE-2026-26339

critical · 9.3

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

9.3

CVSS

0.6%

EPSS (exploit prob.)

46th

EPSS percentile

2026-02-19

Published

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weaknesses

CWE-918

Affected products

Vendor	Product	Affected versions
hyland	alfresco_transform_service	< 4.2.3
hyland	alfresco_transform_core	< 5.2.4

Check a specific version with /api/v1/cve/match.

References

https://connect.hyland.com/t5/alfresco-blog/security-update-cve-2026-26337-cve-2026-26338-cve-2026-26339/ba-p/496551
https://www.hyland.com/en/solutions/products/alfresco-platform
https://www.vulncheck.com/advisories/hyland-alfresco-transformation-service-argument-injection-rce

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-26339