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CVE-2026-27167

0.0 · NONE

Gradio is an open-source Python package designed for quick prototyping.

Published Feb 27, 2026CWE-522EPSS 0.40%

Overview

CVE-2026-27167 is a none-severity vulnerability. It was published on February 27, 2026 and has a CVSS 3.1 base score of 0.0 (NONE).

This vulnerability has a CVSS 3.1 base score of 0.0, rated NONE. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/gradio-app/gradio/security/advisories/GHSA-h3h8-3v2v-rg7m

How CyberStrike helps

Frequently asked questions

What is CVE-2026-27167?

CVE-2026-27167 is a none-severity vulnerability. It was published on February 27, 2026 and has a CVSS 3.1 base score of 0.0 (NONE).

How severe is CVE-2026-27167?

This vulnerability has a CVSS 3.1 base score of 0.0, rated NONE. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-27167?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-27167?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-27167 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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