by Kastro
Paper/Archive/CVE-2026-26339

CVE-2026-26339

Hyland Alfresco Transformation Service (Enterprise) — Hyland Alfresco Transformation Service Argument Injection RCE

EPSS 0.6%CVSS 9.8
critical.is priorityof 100
40
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 50.3.503 × 2010.1No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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

Affected

ProductAffectedFixed inSource
Alfresco Transformation Service (Enterprise)< 4.2.34.2.3CNA
Alfresco Community (Transform Core)< 5.2.45.2.4CNA

Scores by source

VulnCheck (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
VulnCheck (CNA)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
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

patchconnect.hyland.com/t5/alfresco-blog/security-update-cve-2026-26337-cve-2026-26338-cve-2026-26339/ba-p/496551refhyland.com/en/solutions/products/alfresco-platformwriteupvulncheck.com/advisories/hyland-alfresco-transformation-service-argument-injection-rce