
CVE catalog
CVE-2025-3777
Transformers's Improper Input Validation vulnerability can be exploited through username injection
- Severity
- Low · CVSS 3.5
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.41% · Oct 25, 2026
An input validation flaw has been discovered in the Hugging Face Transformers library. Given an attacker can feed in a url, an application using the transformers library may present what appears to be a YouTube link, but actually routes to a malicious domain. transformers: Improper Input Validation in huggingface/transformers The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| PyPI | transformers | Not reported | 4.52.1 | fixed |
| PyPI | transformers | Not reported | 4.52.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| PyPI | transformers | PyPI | Not reported | 4.52.1 | Not reported | PYSEC-2026-1986 | Not reported |
| PyPI | transformers | PyPI | Not reported | 4.52.1 | Not reported | GHSA-PHHR-52QP-3MJ4 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed:
References
- [https://osv.dev/vulnerability/GHSA-phhr-52qp-3mj4]
- [https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-3777.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2025/wid-sec-w-2025-1518.json]
[CERT-Bund public advisories] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]