# CVE-2026-118035: Progress Telerik Document Processing Libraries denial of service in RadWordsProcessing

Source: https://junglewise.ai/threats/cve-2026-118035-in-progress-telerik-document-processing-libraries-prior-to  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-28. Updated: 2026-10-28  
License: CC BY 4.0 with a link back

CVE-2026-118035 · Severity: high · CVSS 7.5 · Published 2026-10-28

Progress Telerik Document Processing Libraries process documents in business applications for formats like Word, PDF, and RTF files. An attacker can crash or hang an application by uploading a specially crafted document, causing service unavailability and potential data loss for users relying on that application.

Technologies: [Progress Telerik Document Processing Libraries](https://junglewise.ai/threats/technologies/telerik-document-processing-libraries). Vendors: [Progress](https://junglewise.ai/threats/vendors/progress).

## Quick answers

**Is CVE-2026-118035 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-118035 being exploited in the wild.

**How severe is CVE-2026-118035?** High severity, with a CVSS score of 7.5, published 28 October 2026.

**Which products and versions are affected?** Progress Telerik Document Processing Libraries prior to 2026.3.1027.

**Is there a fix for CVE-2026-118035?** Yes: fixed in 2026.3.1027. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-118035 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-118035?** Check whether you run Progress Telerik Document Processing Libraries at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Fixed in 2026.3.1027

## Technical details

RadWordsProcessing contains uncontrolled recursion, inefficient algorithmic complexity, and infinite loop vulnerabilities (CWE-674, CWE-407, CWE-835) in document import handlers for DOCX, DOC, RTF, and HTML formats. An unauthenticated, remote attacker can craft a malicious document that triggers resource exhaustion, terminating or hanging the host process. The vulnerability requires only document upload capability and no user interaction beyond processing the file.

## Affected products

- Progress Telerik Document Processing Libraries prior to 2026.3.1027

## Timeline

- 2026-10-28: disclosed

## References

- [https://docs.telerik.com/devtools/document-processing/knowledge-base/kb-security-uncontrolled-resource-consumption-wordsprocessing-cve-2026-118035](https://docs.telerik.com/devtools/document-processing/knowledge-base/kb-security-uncontrolled-resource-consumption-wordsprocessing-cve-2026-118035)

## Related threats

- [Progress Telerik Document Processing signature validation bypass](https://junglewise.ai/threats/cve-2026-118040-in-progress-telerik-document-processing-libraries-prior-to)
- [Progress Telerik Document Processing Libraries XML external entity injection in SVG](https://junglewise.ai/threats/cve-2026-118039-in-progress-telerik-document-processing-libraries-prior-to)
- [Progress Telerik Document Processing Libraries path traversal in AI agent tools](https://junglewise.ai/threats/cve-2026-118038-in-progress-telerik-document-processing-libraries-prior-to)
- [Progress Telerik Document Processing Libraries resource consumption denial of service](https://junglewise.ai/threats/cve-2026-118036-in-progress-telerik-document-processing-libraries-prior-to)