{"data":{"id":"df5fd5d8-3d58-43fe-aece-958a657e849f","title":"CVE-2025-3777: Hugging Face Transformers versions up to 4.49.0 are affected by an improper input validation vulnerability in the…","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.","solution":"Fixed in version 4.52.1.","labels":["security"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-3777","publishedAt":"2025-07-07T14:15:28.297Z","cveId":"CVE-2025-3777","cweIds":["CWE-20"],"cvssScore":null,"cvssSeverity":null,"severity":"medium","attackType":["other"],"issueType":"vulnerability","affectedPackages":["transformers@< 4.52.1 (fixed: 4.52.1)"],"affectedPackageNames":["transformers"],"affectedPackageRefs":["pypi:transformers"],"affectedVendors":["HuggingFace"],"affectedVendorsRaw":["Hugging Face Transformers"],"classifierModel":"claude-haiku-5-5","classifierPromptVersion":"v4","summaryPromptVersion":"v2","headline":"Hugging Face Transformers improper URL validation in image_utils.py","headlinePromptVersion":"h1","cvssVector":null,"attackVector":null,"attackComplexity":null,"privilegesRequired":null,"userInteraction":null,"exploitMaturity":"unknown","epssScore":0.00406,"epssCheckedAt":"2026-11-04T18:09:14.312Z","kevDateAdded":null,"advisoryAliases":["GHSA-phhr-52qp-3mj4"],"affectedPackagesSource":"ghsa","affectedPackagesCheckedAt":"2026-10-10T03:53:27.311Z","patchAvailable":true,"disclosureDate":null,"fixReleasedAt":"2025-05-20T20:48:57.796Z","daysToFix":-48,"fixCheckedAt":"2026-10-29T21:44:11.211Z","capecIds":null,"crossRefCount":0,"attackSophistication":"moderate","impactType":["confidentiality","integrity"],"aiComponentTargeted":"framework","llmSpecific":false,"classifierConfidence":0.9,"researchCategory":null,"atlasIds":null,"fixes":[{"ecosystem":"pypi","name":"transformers","fixedVersion":"4.52.1","matchedVersion":"4.52.1","fixReleasedAt":"2025-05-20T20:48:57.796Z","daysToFix":-48,"match":"ecosystem","source":"tracked","status":"found","checkedAt":"2026-10-29T21:44:11.061Z"}]}}