CVE-2025-3777— Improper Input Validation in huggingface/transformers
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I. Basic Information for CVE-2025-3777
Vulnerability Information
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Vulnerability Title
Improper Input Validation in huggingface/transformers
Source: NVD (National Vulnerability Database)
Vulnerability Description
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 the `startswith()` 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Hugging Face Transformers 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Hugging Face Transformers是Hugging Face开源的为 Jax、PyTorch 和 TensorFlow 打造的先进的自然语言处理。 Hugging Face Transformers 4.49.0及之前版本存在输入验证错误漏洞，该漏洞源于image_utils.py中URL验证不足，可能导致钓鱼攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| huggingface | huggingface/transformers | unspecified ~ 4.52.1 | - |
II. Public POCs for CVE-2025-3777
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · huggingface · 2025-07-07 · 4 CVEs total
| CVE-2025-3263 | Regular Expression Denial of Service (ReDoS) in huggingface/transformers | |
| CVE-2025-3262 | Regular Expression Denial of Service (ReDoS) in huggingface/transformers | |
| CVE-2025-3264 | Regular Expression Denial of Service (ReDoS) in huggingface/transformers |
IV. Related Vulnerabilities
Same product: huggingface/transformers
- CVE-2026-1839
Arbitrary Code Execution via Unsafe torch.load() in Trainer - CVE-2025-6921
Regular Expression Denial of Service (ReDoS) in huggingface/ - CVE-2025-6051
Regular Expression Denial of Service (ReDoS) in huggingface/ - CVE-2025-6638
Regular Expression Denial of Service (ReDoS) in huggingface/ - CVE-2025-5197
Regular Expression Denial of Service (ReDoS) in huggingface/
Same vendor: huggingface
- CVE-2026-1839
Arbitrary Code Execution via Unsafe torch.load() in Trainer - CVE-2026-4963
huggingface smolagents Incomplete Fix CVE-2025-9959 local_py - CVE-2026-2654
huggingface smolagents LocalPythonExecutor requests.post ser - CVE-2026-0599
Unbounded External Image Fetch in Validation Leads to Resour - CVE-2025-11844
XPath Injection in Hugging Face Smolagents search_item_ctrl_
Same weakness: CWE-20
V. Comments for CVE-2025-3777
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