Vulnerability · Published Oct 28, 2026 · Assigned by ProgressSoftware

CVE-2026-118038Path Traversal in Telerik Document Processing Libraries AI Agent Tools

High 7.1

In plain English

A high-severity path traversal in Telerik Document Processing Libraries from Progress Software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).

Severity (CVSS 3.1)7.1High

Exploit odds (30 days)0.3%top 83.3% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

In Progress® Telerik® Document Processing Libraries prior to version 2026.3.1027, a path traversal vulnerability in the Convert and Merge AI agent tools allows an authenticated attacker with low privileges who can supply tool arguments to read files outside the configured output directory, and to overwrite such files where they are writable, via relative file paths that resolve against the process current working directory.

Affected products (as reported)

Vendor	Product	Versions
Progress Software	Telerik Document Processing Libraries	2026.1.210 – before 2026.3.1027

Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

References

https://docs.telerik.com/devtools/document-processing/knowledge-base/kb-security-path-traversal-cve-2026-118038 vendor-advisory