CVE-2026-26337 json
Hyland Alfresco Transformation Service Absolute Path Traversal Arbitrary File Read and SSRF
published 2026-02-19 8 mo ago modified 2026-07-28 3 mo ago also EUVD-2026-8381
- cvss
- 8.2
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 35%
- public exploits
- 0
- none known
Summary
Hyland Alfresco Transformation Service allows unauthenticated attackers to achieve both arbitrary file read and server-side request forgery through the absolute path traversal.
Patch / fix
- Hyland Alfresco Transformation Service (Enterprise) 4.3.0
- Hyland Alfresco Community (Transform Core) 5.3.0
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 8 mo ago
Exploit prediction
0.41% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 8.8 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N |
| CNA | 3.1 | 8.2 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N |
| CNA | 4.0 | 8.8 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/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-36 Absolute Path Traversal
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-absolute-path-traversal-arbitrary-file-read-and-ssrf
third-party-advisory
Sources
- CVE List CVE-2026-26337
- NVD CVE-2026-26337
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