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CVE-2026-118036— Uncontrolled Resource Consumption in Telerik Document Processing Libraries RadPdfProcessing and AI Document Summarization and Question Answering

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，RadPdfProcessing 组件以及 AI 文档摘要和问答功能存在不受控递归、无限循环、算法复杂度效率低下以及资源分配方面的漏洞。这些漏洞使得未认证的攻击者能够通过提交精心构造的 PDF 文档或用于摘要及问答的文档文本，导致主机进程终止或挂起。

CVSS 7.5 · High
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I. Basic Information for CVE-2026-118036

Vulnerability Information
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Vulnerability Title
Uncontrolled Resource Consumption in Telerik Document Processing Libraries RadPdfProcessing and AI Document Summarization and Question Answering
Source: CVE Program / CVE List V5
Vulnerability Description
In Progress® Telerik® Document Processing Libraries prior to version 2026.3.1027, uncontrolled recursion, infinite loop, inefficient algorithmic complexity and resource allocation vulnerabilities in RadPdfProcessing and AI document summarization and question answering allow an unauthenticated attacker to terminate or hang the host process via a crafted PDF document or document text submitted for summarization or question answering.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未经控制的递归
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Progress Software Telerik Document Processing Libraries 0 ~ 2026.3.1027 -

II. Public POCs for CVE-2026-118036

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-118036

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Other References for CVE-2026-118036 (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-2026-118035 7.5 HIGH Uncontrolled Resource Consumption in Telerik Document Processing Libraries RadWordsProcess
CVE-2026-118039 7.5 HIGH XML External Entity Reference in Telerik Document Processing Libraries SVG Image Processin
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-674