---
id: CVE-2026-106164
title: >-
  In Progress® Telerik® Document Processing SpreadProcessing library, versions
  prior to 2026.3.1006, an infinite loop vulnerability exists when importing an
  XLS file with a specifically-targted corruption, the import timeout is ignored
  res…
summary: >-
  In Progress® Telerik® Document Processing SpreadProcessing library, versions
  prior to 2026.3.1006, an infinite loop vulnerability exists when importing an
  XLS file with a specifically-targted corruption, the import timeout is ignored
  res…
severity: high
cvss: 7.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-835
vendor: Progress Software
product: Telerik Document Processing Libraries
affected:
  - telerik_document_processing_libraries >= 2026.3.811 < 2026.3.1006
published: '2026-10-07'
updated: '2026-10-07'
sourceUpdated: '2026-10-07T20:17:08.537'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-106164'
references:
  - url: >-
      https://www.telerik.com/document-processing-libraries/documentation/knowledge-base/kb-security-import-infinite-loop-cve-2026-106164
    label: security@progress.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-10-07T19:10:48.984275Z'
ingestedAt: '2026-10-07T18:42:20.909Z'
---

## Overview

In Progress® Telerik® Document Processing SpreadProcessing library, versions prior to 2026.3.1006, an infinite loop vulnerability exists when importing an XLS file with a specifically-targted corruption, the import timeout is ignored resulting in an unresponsive CPU thread and denial of service.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.