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CVE-2026-118037high7.5

Uncontrolled Resource Consumption in Telerik Document Processing Libraries RadSpreadProcessing and RadSpreadStreamProcessing

Impact

Telerik Document Processing Libraries versions prior to 2026.3.1027 have weaknesses that allow an unauthenticated attacker to terminate or hang the host process via crafted XLSX or XLS workbooks or formulas. The vulnerabilities include uncontrolled recursion, infinite loop, and inefficient regular expression. An attacker can exploit these weaknesses without authentication.

Summarized by @cf/meta/llama-3.3-70b-instruct-fp8-fast. Verify details against the original sources.

Affected packages

This source has no supported package-version data for matching. You can read the advisory here, but this record alone cannot power a dependency check.

Affected products

Vendor version evidence. Product records are separate from automatic dependency matching.

Progress Software · ProgressSoftware

Telerik Document Processing Libraries

1 range
ProgressSoftware version evidence

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affected

0 → before 2026.3.1027

custom versions

unaffected

unknown

Other versions: unaffected

Original source 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.

Inside the record

Evidence available

Package identity · not supplied
Version evidence
Remediation guidance · not supplied
Weakness classification
Additional publishers · not supplied

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-118037

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Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-674 ↗

CWE-674 Uncontrolled Recursion

ProgressSoftware

Related →
CWE-835 ↗

CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')

ProgressSoftware

Related →
CWE-606 ↗

CWE-606 Unchecked Input for Loop Condition

ProgressSoftware

Related →
CWE-1333 ↗

CWE-1333 Inefficient Regular Expression Complexity

ProgressSoftware

Related →
Contributing organizations · 1
ProgressSoftware

Assigning organization

2026-10-28

What changed

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References

1 sources
docs.telerik.com/devtools/document-processing/knowledge-base/kb-security-uncontrolled-resource-consumption-spreadprocessing-cve-2026-118037
vendor-advisoryProgressSoftware