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CVE-2026-48545

7.6 high SSVC exploitation: poc Analyzed
NVD · CVE.org

Gradio before version 6.15.0 contains a cookie injection vulnerability that allows remote attackers to perform cross-Space session fixation by exploiting a shared module-level HTTP client used across all users in the reverse proxy endpoint. Attackers controlling any HF Space can return a parent-domain cookie that the shared client stores and automatically replays into all subsequent proxy requests to other legitimate Spaces, affecting all users of the same Gradio deployment.

Fix

Patch, vendor advisory and mitigation references on NVD 2

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 7.6 · gradio_projectNVD modified 2026-10-08 16:17

Affected (CPE criteria) 1

  • cpe:2.3:a:gradio_project:gradio:*:*:*:*:*:python:*:*

References 6