CVE-2026-48545
MEDIUM SEVERITYCVSS Score & Metrics
Base Score
6.8 / 10
Vector String
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
Vulnerability Description
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.
Vulnerability Details
Published Date
Last Modified
CWE ID
CWE-384
Source
NVD
Vendor
gradio-app
Product
gradio
External References
- https://github.com/gradio-app/gradio/commit/feb7237d01f359d2ad4ee42d00344e61692b3b39
- https://github.com/gradio-app/gradio/issues/13369
- https://github.com/gradio-app/gradio/pull/13384
- https://github.com/gradio-app/gradio/releases/tag/gradio%406.15.0
- https://www.vulncheck.com/advisories/gradio-cookie-injection-via-shared-pro
- https://github.com/gradio-app/gradio/issues/13369
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