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MediumVulnerability

CVE-2025-3777: Hugging Face Transformers improper URL validation in image_utils.py

Identifier
CVE-2025-3777
Published
Record updated
View JSON
Affected
  • transformers < 4.52.1
Fixed in
4.52.1
  • released May 20, 2025, 48 days before disclosure
Known exploitation
Not listed in the CISA Known Exploited Vulnerabilities catalog at the last check.
EPSS
0.4%

Summary

Hugging Face Transformers versions up to 4.49.0 contain an improper input validation flaw in `image_utils.py`. The code checks URLs with `startswith()`, which an attacker can bypass by injecting a username into the URL so it looks like a YouTube link while resolving to a malicious domain. This could enable phishing, malware distribution, or data exfiltration.

Mitigation

Fixed in version 4.52.1.