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CVE-2026-26337— Hyland Alfresco Transformation Service Absolute Path Traversal Arbitrary File Read and SSRF

Quick assessment

Affected
Hyland Alfresco Transformation Service (Enterprise)
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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。

CVSS 8.2 · High EPSS 0.53% · P43

Affected Version Matrix 2

VendorProduct Version RangeStatus
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

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III. Intelligence Information for CVE-2026-26337

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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 product: Alfresco Transformation Service (Enterprise)
Same vendor: Hyland
Same weakness: CWE-36

V. Comments for CVE-2026-26337

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