CVE Tools
Sign in

CVE-2025-3777

Improper Input Validation in huggingface/transformers

Published: Jul 7, 2025Updated: Aug 7, 2025 Sources: CVE List NVD GHSA BDUCWE-20
3.5LOW
NVD MITRE
EPSS Score
0.3%
Top 73.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:RS:UC:LI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-20NVD-CWE-noinfo

Affected Products

huggingface
commercialaka smolagents, transformers, huggingface/transformers
transformersLibraryLibrary
AI / ML / ml-framework
huggingface/transformersLibraryLibrary
AI / ML / ml-framework
Hugging Face, Inc.
commercialaka transformers, smolagents, huggingface
TransformersMixed
AI / ML / ml-framework
PyPI
package-ecosystem
transformers
OSS Libraries

Exploitability

Official Patch Available

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://github.com/huggingface/transformers/commit/4dda5f71b35fb70cf602187eef84bb17a50b9082
github.com
https://huntr.com/bounties/ccba0730-9248-4853-b7ff-5c20e6364f09
huntr.com
https://nvd.nist.gov/vuln/detail/CVE-2025-3777
nvd.nist.gov
and 2 more references View all →

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2025-3777 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows