CVE-2026-26339 json
Hyland Alfresco Transformation Service Argument Injection RCE
published 2026-02-19 8 mo ago modified 2026-07-28 3 mo ago also EUVD-2026-7801
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 50%
- public exploits
- 0
- none known
Summary
Hyland Alfresco Transformation Service allows unauthenticated attackers to achieve remote code execution through the argument injection vulnerability, which exists in the document processing functionality.
Patch / fix
- Hyland Alfresco Transformation Service (Enterprise) 4.2.3
- Hyland Alfresco Community (Transform Core) 5.2.4
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- 8 mo ago
Exploit prediction
0.63% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 9.3 | 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 |
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 4.0 | 9.3 | 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 |
Affected products
- Hyland Alfresco Transformation Service (Enterprise)
- Hyland Alfresco Community (Transform Core)
Classification
- Weakness
-
- CWE-918 Server-Side Request Forgery
References
-
connect.hyland.com
/t5/alfresco-blog/security-update-cve-2026-26337-cve-2026-26338-cve-2026-26339/ba-p/496551
vendor-advisory, patch
-
hyland.com
/en/solutions/products/alfresco-platform
product
-
vulncheck.com
/advisories/hyland-alfresco-transformation-service-argument-injection-rce
third-party-advisory
Sources
- CVE List CVE-2026-26339
- NVD CVE-2026-26339
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