SB2026021779 - Input validation error in Hugging Face Transformers
Published: February 17, 2026
Security Bulletin ID
SB2026021779
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2025-3777)
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to from insecure URL validation using the `startswith()` method, which can be bypassed through URL username injection. A remote user can trick the victim into opening a specially crafted URLs that appear to be from YouTube but resolve to malicious domains, potentially leading to phishing attacks, malware distribution, or data exfiltration.
Remediation
Install update from vendor's website.