CVE-2026-118976: Progress Software Telerik UI for Blazor · Relative Path Traversal
Affects Progress Software Telerik UI for BlazorSource CVE Database V5
Not known to be exploited · CVSS 7.5 High : upgrade to 14.1.0 soon.
Data as of 13 Nov 2026, 14:49 UTC
Thin evidence
One scorer or none| CNA (ProgressSoftware) | CVSS 3.1 | 7.5 |
|---|
- Patch
- Available – fixed in 14.1.0
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 13 Nov 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.
What to do
Upgrade Progress Software Telerik UI for Blazor to 14.1.0.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Progress SoftwareTelerik UI for Blazor | Affected
| Fixed in
|
AI-suggested
Upgrade Telerik UI for Blazor to version 14.1.0 or later, where this vulnerability is fixed. No other mitigations are specified or required.
Description
CVE-2026-118976 is a relative path traversal vulnerability in Progress Software's Telerik UI for Blazor demo application's Chat AI Integration example. It affects versions 11.1.0 through 14.0.0 and allows an attacker to read files outside the intended chat attachments folder within the server's filesystem. The vulnerability has a high severity with a CVSS score of 7.5. A fix is available in version 14.1.0.