VulnerabilityAnalyzed
CVE-2026-26339
Hyland Alfresco Transformation Service allows unauthenticated attackers to achieve remote code execution through the argument injection vulnerability, which exists in the document processing functionality.
CRITICAL 9.3EPSS 0.54%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.54%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 4.0
- 9.3 CRITICALCVSS: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/M
- EPSS
- 0.54% probability · 44th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-918
- Affected
- hyland/alfresco transform service · hyland/alfresco transform core
- Source
- disclosure@vulncheck.com
References
- https://connect.hyland.com/t5/alfresco-blog/security-update-cve-2026-26337-cve-2026-26338-cve-2026-26339/ba-p/496551Vendor Advisory
- https://www.hyland.com/en/solutions/products/alfresco-platformProduct
- https://www.vulncheck.com/advisories/hyland-alfresco-transformation-service-argument-injection-rceThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.