CVE-2026-27194: D-Tale Remote Code Execution Vulnerability via /save-column-filter Endpoint
Summary
CVE-2026-27194: D-Tale affected by Remote Code Execution through the /save-column-filter endpoint. Affects dtale versions < 3.20.0. Fixed in 3.20.0. How to fix ↓
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Background
D-Tale is a powerful Python library that provides a web-based interface for visualizing and analyzing Pandas dataframes. It allows users to interact with their data in a user-friendly manner, offering features such as filtering, sorting, and plotting. However, when hosted publicly, D-Tale can be susceptible to security vulnerabilities, particularly in its handling of user inputs.
Vulnerability Detail
The vulnerability identified as CVE-2026-27194 allows for remote code execution through the /save-column-filter endpoint. This issue arises from improper validation of user inputs, enabling attackers to execute arbitrary code on the server. If exploited, this vulnerability can lead to severe consequences, including unauthorized access to sensitive data and complete control over the affected server.
How To Fix
Latest published version: 3.22.0 as of 23 Oct 2026
pip install --upgrade "dtale==3.22.0"Upgrading to it may include breaking changes; the version below is the minimum fixed release for this vulnerability.
If you need the minimum change
3.20.0
This is the first release that contains the fix.
pip install --upgrade "dtale==3.20.0"Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There are no workarounds available for versions prior to 3.20.0. Users are strongly advised to upgrade to the latest version to mitigate the risk of exploitation.
Conclusion
In summary, CVE-2026-27194 is a critical vulnerability in D-Tale that allows for remote code execution through the /save-column-filter endpoint. Users are urged to upgrade to version 3.20.0 to protect their applications from potential exploitation. Regular monitoring for vulnerabilities is essential to maintain the security of your software.
See every vulnerability recorded for dtale →
FAQ
The CVSS score for this vulnerability is 8.1, indicating a high severity level.
You can use the Vulert playground at Vulert Scanner to check if your application is affected without requiring any signup.
Exploitation of this vulnerability can lead to remote code execution, allowing attackers to run malicious code on the server, potentially compromising sensitive data.
Yes, Vulert can monitor and alert you in real-time for open-source vulnerabilities in your software by analyzing your Pipfile.lock.
If upgrading is not possible, it is crucial to limit public access to the D-Tale application until the upgrade can be performed.
References
Related vulnerabilities
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