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CVE PROGRAM SOURCE RECORD5.8 Medium

CVE-2026-34981

whisperX REST API: SSRF in download_from_url() — URL validation happens after HTTP request, extension bypass via .mp3

Description

The whisperX API is a tool for enhancing and analyzing audio content. From 0.3.1 to 0.5.0, FileService.download_from_url() in app/services/file_service.py calls requests.get(url) with zero URL validation. The file extension check occurs AFTER the HTTP request is already made, and can be bypassed by appending .mp3 to any internal URL. The /speech-to-text-url endpoint is unauthenticated. This vulnerability is fixed in 0.6.0.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

pavelzbornik whisperX-FastAPI

  • >= 0.3.1, < 0.6.0affected

References