What’s Vulnerable › Vulnerabilities

CVE-2021-28791

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-03-18 · updated 2026-06-17
• Weakness: CWE-863

Description

The unofficial SwiftFormat extension before 1.3.7 for Visual Studio Code allows remote attackers to execute arbitrary code by constructing a malicious workspace with a crafted swiftformat.path configuration value that triggers execution upon opening the workspace.

Affected products

• Swiftformat Project Swiftformat: before 1.3.7 — fixed in 1.3.7

How to fix

Upgrade to a fixed version: Swiftformat Project Swiftformat 1.3.7. Check the vendor advisory for mitigations.

References

• https://github.com/vknabel/vscode-swiftformat/releases/tag/1.3.7
• https://vuln.ryotak.me/advisories/13
• https://github.com/vknabel/vscode-swiftformat/releases/tag/1.3.7
• https://vuln.ryotak.me/advisories/13

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