Transformers's Improper Input Validation vulnerability can be exploited through username injection
Low severity
GitHub Reviewed
Published
Jul 7, 2025
to the GitHub Advisory Database
•
Updated Jul 8, 2025
Description
Published by the National Vulnerability Database
Jul 7, 2025
Published to the GitHub Advisory Database
Jul 7, 2025
Last updated
Jul 8, 2025
Reviewed
Jul 8, 2025
Hugging Face Transformers versions up to 4.49.0 are affected by an improper input validation vulnerability in the
image_utils.py
file. The vulnerability arises from insecure URL validation using thestartswith()
method, which can be bypassed through URL username injection. This allows attackers to craft URLs that appear to be from YouTube but resolve to malicious domains, potentially leading to phishing attacks, malware distribution, or data exfiltration. The issue is fixed in version 4.52.1.References