What’s Vulnerable › Vulnerabilities

CVE-2020-26207: Unsafe deserialization in DatabaseSchemaViewer

• Severity: high (CVSS 8.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-11-04 · updated 2026-06-17
• Weakness: CWE-502

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.

Affected products

• martinjw dbschemareader: before 2.7.4.3 — fixed in 2.7.4.3

How to fix

Upgrade to a fixed version: martinjw dbschemareader 2.7.4.3. Check the vendor advisory for mitigations.

References

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

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