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CVE-2026-118039— XML External Entity Reference in Telerik Document Processing Libraries SVG Image Processing

Quick assessment

Affected
Progress Software Telerik Document Processing Libraries
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.

在版本 2026.3.1027 之前的 In Progress® Telerik® 文档处理库中，SVG 图像处理存在 XML 外部实体（XXE）引用漏洞。当攻击者构造包含嵌套嵌入 SVG 的 SVG 图像，并在处理或导出为 PDF 时，未认证的攻击者可利用该漏洞读取服务器上的本地文件。

CVSS 7.5 · High
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I. Basic Information for CVE-2026-118039

Vulnerability Information
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Vulnerability Title
XML External Entity Reference in Telerik Document Processing Libraries SVG Image Processing
Source: CVE Program / CVE List V5
Vulnerability Description
In Progress® Telerik® Document Processing Libraries prior to version 2026.3.1027, an XML external entity reference vulnerability in SVG image processing allows an unauthenticated attacker to read local files on the server via a crafted SVG image with a nested embedded SVG, when the image is processed or exported to PDF.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
XML外部实体引用的不恰当限制(XXE)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Progress Software Telerik Document Processing Libraries 2024.3.802 ~ 2026.3.1027 -

II. Public POCs for CVE-2026-118039

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III. Intelligence Information for CVE-2026-118039

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Other References for CVE-2026-118039 (1)

Same Patch Batch · Progress Software · 2026-10-28 · 6 CVEs total

CVE-2026-118040 7.5 HIGH Improper Signature and Certificate Validation in Telerik Document Processing Libraries Rad
CVE-2026-118036 7.5 HIGH Uncontrolled Resource Consumption in Telerik Document Processing Libraries RadPdfProcessin
CVE-2026-118035 7.5 HIGH Uncontrolled Resource Consumption in Telerik Document Processing Libraries RadWordsProcess
CVE-2026-118037 7.5 HIGH Uncontrolled Resource Consumption in Telerik Document Processing Libraries RadSpreadProces
CVE-2026-118038 7.1 HIGH Path Traversal in Telerik Document Processing Libraries AI Agent Tools

IV. Related Vulnerabilities

Same product: Telerik Document Processing Libraries
Same vendor: Progress Software
Same weakness: CWE-611