CVE-2026-118037

Uncontrolled Resource Consumption in Telerik Document Processing Libraries RadSpreadProcessing and RadSpreadStreamProcessing

State: Published
Severity: 7.5 High
Published: Oct 28, 2026
Updated: Oct 28, 2026
Reserved: Oct 27, 2026

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Description

In Progress® Telerik® Document Processing Libraries prior to version 2026.3.1027, uncontrolled recursion, infinite loop, unchecked loop condition and inefficient regular expression vulnerabilities in RadSpreadProcessing and RadSpreadStreamProcessing allow an unauthenticated attacker to terminate or hang the host process via a crafted XLSX or XLS workbook or formula.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	ProgressSoftware

Weaknesses

CWE-674 Uncontrolled Recursion
CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')
CWE-606 Unchecked Input for Loop Condition
CWE-1333 Inefficient Regular Expression Complexity

Affected Products

Product	Versions
Telerik Document Processing LibrariesProgress Software	before 2026.3.1027Affected

References

https://docs.telerik.com/devtools/document-processing/knowledge-base/kb-security-uncontrolled-resource-consumption-spreadprocessing-cve-2026-118037vendor-advisory

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