RadEditor PDF Export SSRF Vulnerability in Telerik UI for ASP.NET AJAX

published 2026-07-22 3 mo ago modified 2026-10-24 16 d ago also EUVD-2026-47697

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 36%
public exploits: 0; none known

In Progress® Telerik® UI for AJAX prior to v2026.2.708, insufficient validation of content submitted to the RadEditor PDF export feature may allow an authenticated attacker to trigger server-side requests to arbitrary hosts, resulting in outbound network connections and potential exposure of Windows authentication credentials.

Patch / fix

fixed in 1

Progress Software Telerik UI for ASP.NET AJAX 2026.2.708

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 3 mo ago (2026-07-22)

Exploit prediction

0.42% chance of exploitation in the next 30 days, higher than 36% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

Progress Software Telerik UI for ASP.NET AJAX

Classification

Weakness

CWE-918 Server-Side Request Forgery

References

telerik.com /products/aspnet-ajax/documentation/knowledge-base/kb-security-radeditor-pdf-export-ssrf-CVE-2026-13192
vendor-advisory, mitigation

Sources

CVE List CVE-2026-13192
NVD CVE-2026-13192

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary