CVE-2026-26337— Hyland Alfresco Transformation Service Absolute Path Traversal Arbitrary File Read and SSRF
Possible ATT&CK Techniques 3AI
T1055 · Process Injection T1059 · Command and Scripting Interpreter T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 2
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Hyland | Alfresco Community (Transform Core) | < 5.3.0 | affected |
| Hyland | Alfresco Transformation Service (Enterprise) | < 4.3.0 | affected |
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I. Basic Information for CVE-2026-26337
Vulnerability Information
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Vulnerability Title
Hyland Alfresco Transformation Service Absolute Path Traversal Arbitrary File Read and SSRF
Source: CVE Program / CVE List V5
Vulnerability Description
Hyland Alfresco Transformation Service allows unauthenticated attackers to achieve both arbitrary file read and server-side request forgery through the absolute path traversal.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
绝对路径遍历
Source: CVE Program / CVE List V5
Vulnerability Title
Hyland Alfresco Transformation Service 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Hyland Alfresco Transformation Service是美国Hyland公司的一个文档转换服务组件。 Hyland Alfresco Transformation Service存在安全漏洞，该漏洞源于绝对路径遍历，可能导致未经身份验证的攻击者实现任意文件读取和服务器端请求伪造。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Hyland | Alfresco Transformation Service (Enterprise) | 0 ~ 4.3.0 | - | |
| Hyland | Alfresco Community (Transform Core) | 0 ~ 5.3.0 | - |
II. Public POCs for CVE-2026-26337
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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Vendor Advisories for CVE-2026-26337 (1)
Same Patch Batch · Hyland · 2026-02-19 · 4 CVEs total
| CVE-2026-26339 | 9.8 CRITICAL | Hyland Alfresco Transformation Service Argument Injection RCE |
| CVE-2026-26338 | 9.8 CRITICAL | Hyland Alfresco Transformation Service SSRF |
| CVE-2026-26336 | 7.5 HIGH | Hyland Alfresco Improper Authorization Arbitrary File Read |
IV. Related Vulnerabilities
Same vendor: Hyland
- CVE-2026-58127
PACSgear MediaWriter 5.2.1 Unauthenticated RCE via .NET Remo - CVE-2026-58126
PACSgear PACS Scan 5.2.1 Unauthenticated RCE via .NET Remoti - CVE-2026-26339
Hyland Alfresco Transformation Service Argument Injection RC - CVE-2026-26338
Hyland Alfresco Transformation Service SSRF - CVE-2026-26336
Hyland Alfresco Improper Authorization Arbitrary File Read
Same weakness: CWE-36
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RabbitMQ: UNC SSRF affecting the management UI on Windows - CVE-2026-15302
ARMember <= 4.0.27 - Directory Traversal via X-FILENAME
V. Comments for CVE-2026-26337
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