CVE-2026-28414
highpriority · track · 1EPSS 0.031 · 88 %ileEUUSEPSS · scored 2026-10-27
Gradio is an open-source Python package designed for quick prototyping. Prior to version 6.7, Gradio apps running on Window with Python 3.13+ are vulnerable to an absolute path traversal issue that enables unauthenticated attackers to read arbitrary files from the file system. Python 3.13+ changed the definition of `os.path.isabs` so that root-relative paths like `/windows/win.ini` on Windows are no longer considered absolute paths, resulting in a vulnerability in Gradio's logic for joining paths safely. This can be exploited by unauthenticated attackers to read arbitrary files from the Gradio server, even when Gradio is set up with authentication. Version 6.7 fixes the issue.
cvss
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base score 0–10 · higher = more severe · hover a vector to decode
ssvc
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weaknesses
The CWE weakness classes this flaw belongs to.
affected products (3)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- GHSA-39mp-8hj3-5c49Gradio is Vulnerable to Absolute Path Traversal on Windows with Python 3.13+2026-03-01ghsa · osvUS
### Summary Gradio apps running on Window with Python 3.13+ are vulnerable to an absolute path traversal issue that enables unauthenticated attackers to read arbitrary files from the file system. ### Details Python 3.13+ changed the definition of `os.path.isabs` so that root-relative paths like `/windows/win.ini` on Windows are no longer considered absolute paths, resulting in a vulnerability in Gradio's logic for joining paths safely. This can be exploited by unauthenticated attackers to read arbitrary files from the Gradio server, even when Gradio is set up with authentication. ### PoC ``` % curl http://10.10.10.10:7860/static//windows/win.ini ; for 16-bit app support [fonts] [extensions] [mci extensions] [files] [Mail] MAPI=1 ``` ### Impact Arbitrary file read in the context of the Windows user running Gradio.
- PYSEC-2026-642026-02-27vendor · osvUS
Gradio is an open-source Python package designed for quick prototyping. Prior to version 6.7, Gradio apps running on Window with Python 3.13+ are vulnerable to an absolute path traversal issue that enables unauthenticated attackers to read arbitrary files from the file system. Python 3.13+ changed the definition of `os.path.isabs` so that root-relative paths like `/windows/win.ini` on Windows are no longer considered absolute paths, resulting in a vulnerability in Gradio's logic for joining paths safely. This can be exploited by unauthenticated attackers to read arbitrary files from the Gradio server, even when Gradio is set up with authentication. Version 6.7 fixes the issue.
also known as (6)
Other names and identifiers for this entity.
sources
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references (4)
External citations — patches, advisories, analysis.
- https://github.com/gradio-app/gradio/releasesPatchcnnvd
- https://github.com/gradio-app/gradio/security/advisories/GHSA-39mp-8hj3-5c49cnnvd
- https://github.com/gradio-app/gradio/security/advisories/GHSA-39mp-8hj3-5c49enisa_euvd
- https://github.com/gradio-app/gradio/security/advisories/GHSA-39mp-8hj3-5c49ExploitVendor Advisorynvd
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