# CVE-2026-106160: Progress Kendo UI for jQuery prototype pollution in Model.accept

Source: https://junglewise.ai/threats/cve-2026-106160-in-progress-kendo-ui-for-jquery-prior-to-2026-3-1015-model  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-15. Updated: 2026-10-16  
License: CC BY 4.0 with a link back

CVE-2026-106160 · Severity: medium · CVSS 5.4 · Published 2026-10-15

Progress Kendo UI for jQuery is a widely-used JavaScript framework for building interactive web applications. An attacker who can supply data processed through the Model.accept() method can inject malicious properties that alter the application's behavior, potentially stealing user data, modifying application functionality, or in server-side Node.js scenarios, enabling remote code execution. Organizations using affected versions and accepting untrusted input should prioritize upgrading.

Technologies: [Progress Kendo UI for jQuery](https://junglewise.ai/threats/technologies/kendo-ui-for-jquery). Vendors: [Progress](https://junglewise.ai/threats/vendors/progress).

## Quick answers

**Is CVE-2026-106160 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-106160 being exploited in the wild.

**How severe is CVE-2026-106160?** Medium severity, with a CVSS score of 5.4, published 15 October 2026.

**Which products and versions are affected?** Progress Kendo UI for jQuery prior to 2026.3.1015.

**Is there a fix for CVE-2026-106160?** Yes: fixed in 2026.3.1015. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-106160 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-106160?** Check whether you run Progress Kendo UI for jQuery 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 2026.3.1015

## Technical details

The vulnerability is a prototype pollution flaw in Model.accept and kendo.setter that fail to sanitize server-response keys, allowing unsafe paths like __proto__, constructor, and prototype to be passed through. An authenticated attacker or one providing untrusted model data can modify object prototypes to influence downstream application behavior, including in server-side JavaScript contexts where the impact may be severe. The fix is available in version 2026.3.1015.

## Affected products

- Progress Kendo UI for jQuery prior to 2026.3.1015

## Timeline

- 2026-10-15: disclosed
- other: Earliest affected version not confirmed; versions prior to 2026.3.811 confirmed vulnerable

## References

- [https://www.telerik.com/kendo-jquery-ui/documentation/knowledge-base/kb-security-model-accept-prototype-pollution-cve-2026-106160](https://www.telerik.com/kendo-jquery-ui/documentation/knowledge-base/kb-security-model-accept-prototype-pollution-cve-2026-106160)

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