CVE-2026-27167
CVE-2026-27167 · Gradio: Mocked OAuth Login Exposes Server Credentials and Uses Hardcoded Session Secret
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Gradio is an open-source Python package designed for quick prototyping. Starting in version 4.16.0 and prior to version 6.6.0, Gradio applications running outside of Hugging Face Spaces automatically enable "mocked" OAuth routes when OAuth components (e.g. `gr.LoginButton`) are used. When a user visits `/login/huggingface`, the server retrieves its own Hugging Face access token via `huggingface_hub.get_token()` and stores it in the visitor's session cookie. If the application is network-accessible, any remote attacker can trigger this flow to steal the server owner's HF token. The session cookie is signed with a hardcoded secret derived from the string `"-v4"`, making the payload trivially decodable. Version 6.6.0 fixes the issue.
CVSS 0.0 · Низкий · EPSS 0,5% · Есть исправление
- Опубликовано
- Обновлено
Стек: python
Затронутые продукты и версии
gradio
- Версии
- >= 4.16.0, < 6.6.0: Затронуто
Нет опубликованного исправления
gradio PyPI
- Версии
- 4.16.0
- 4.17.0
- 4.18.0
- 4.19.0
- 4.19.1
- 4.19.2
- 4.20.0
- 4.20.1
- 4.21.0
- 4.22.0
- 4.23.0
- 4.24.0
- 4.25.0
- 4.26.0
- 4.27.0
- 4.28.0
- 4.28.1
- 4.28.2
- 4.28.3
- 4.29.0
- 4.31.0
- 4.31.1
- 4.31.2
- 4.31.3
- 4.31.4
- 4.31.5
- 4.32.0
- 4.32.1
- 4.32.2
- 4.33.0
- 4.35.0
- 4.36.0
- 4.36.1
- 4.37.1
- 4.37.2
- 4.38.0
- 4.38.1
- 4.39.0
- 4.40.0
- 4.41.0
- 4.42.0
- 4.43.0
- 4.44.0
- 4.44.1
- 5.0.0
- 5.0.0b1
- 5.0.0b10
- 5.0.0b5
- 5.0.0b6
- 5.0.0b7
- 5.0.0b8
- 5.0.0b9
- 5.0.1
- 5.0.2
- 5.1.0
- 5.10.0
- 5.11.0
- 5.12.0
- 5.13.0
- 5.13.1
- 5.13.2
- 5.14.0
- 5.15.0
- 5.16.0
- 5.16.1
- 5.16.2
- 5.17.0
- 5.17.1
- 5.18.0
- 5.19.0
- 5.20.0
- 5.20.1
- 5.21.0
- 5.22.0
- 5.23.0
- 5.23.1
- 5.23.2
- 5.23.3
- 5.24.0
- 5.25.0
- 5.25.1
- 5.25.2
- 5.26.0
- 5.27.0
- 5.27.1
- 5.28.0
- 5.29.0
- 5.29.1
- 5.3.0
- 5.30.0
- 5.31.0
- 5.32.0
- 5.32.1
- 5.33.0
- 5.33.1
- 5.33.2
- 5.34.0
- 5.34.1
- 5.34.2
- 5.35.0
- 5.36.2
- 5.37.0
- 5.38.0
- 5.38.1
- 5.38.2
- 5.39.0
- 5.4.0
- 5.40.0
- 5.41.0
- 5.41.1
- 5.42.0
- 5.43.0
- 5.43.1
- 5.44.0
- 5.44.1
- 5.45.0
- 5.46.0
- 5.46.1
- 5.47.0
- 5.47.1
- 5.47.2
- 5.48.0
- 5.49.0
- 5.49.1
- 5.5.0
- 5.50.0
- 5.50.0.dev0
- 5.50.1.dev0
- 5.50.1.dev1
- 5.6.0
- 5.7.0
- 5.7.1
- 5.8.0
- 5.9.0
- 5.9.1
- 6.0.0
- 6.0.0.dev0
- 6.0.0.dev1
- 6.0.0.dev3
- 6.0.0.dev4
- 6.0.0.dev5
- 6.0.1
- 6.0.2
- 6.1.0
- 6.2.0
- 6.3.0
- 6.4.0
- 6.5.0
- 6.5.1
- Затронутые диапазоны версий
- ECOSYSTEM: ≥ 4.16.0, < 6.6.0
Обновитесь до 6.6.0