CVE-2026-61448: Trailing Dot Extension Bypass
Extracting a file extension using substring/slice from lastIndexOf('.') guarded only by includes('.') results in an empty extension when filenames have trailing dots, potentially bypassing extension validation.
JSgreprules fetch cve-2026-61448-trailing-dot-extension-bypass --engine opengrepDescription
Extracting a file extension using substring/slice from lastIndexOf('.') guarded only by includes('.') results in an empty extension when filenames have trailing dots, potentially bypassing extension validation.
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