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

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. 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

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