What is CVE-2026-34981?

CVE-2026-34981 is a medium-severity vulnerability in Pavelzbornik Whisperx-fastapi, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.8/10. Published 2026-04-06.

How severe is CVE-2026-34981?

Medium severity. CVSS v3 base score is 5.8 out of 10.

SSRF in Pavelzbornik Whisperx-fastapi

CVE-2026-34981

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 AF…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.001 (16.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N.

Affected products

Pavelzbornik Whisperx-fastapi — versions >= 0.3.1, < 0.6.0

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

https://github.com/pavelzbornik/whisperX-FastAPI/security/advisories/GHSA-6rc7-r867-c635 (x_refsource_CONFIRM)
https://github.com/pavelzbornik/whisperX-FastAPI/issues/256 (x_refsource_MISC)
https://github.com/pavelzbornik/whisperX-FastAPI/commit/ef78fe2001deede5354031e4200d41c6a7e8cbfc (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-34981?: CVE-2026-34981 is a medium-severity vulnerability in Pavelzbornik Whisperx-fastapi, classified under Server-Side Request Forgery (SSRF). CVSS score: 5.8/10. Published 2026-04-06.
How severe is CVE-2026-34981?: Medium severity. CVSS v3 base score is 5.8 out of 10.