CVE-2025-55294: Command Injection via `format` option in screenshot-desktop

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-08-19 · updated 2026-06-17
Weakness: CWE-77

Description

screenshot-desktop allows capturing a screenshot of your local machine. This vulnerability is a command injection issue. When user-controlled input is passed into the format option of the screenshot function, it is interpolated into a shell command without sanitization. This results in arbitrary command execution with the privileges of the calling process. This vulnerability is fixed in 1.15.2.

Affected products

bencevans screenshot-desktop: before 1.15.2

References

https://github.com/bencevans/screenshot-desktop/commit/59c87b0c175eec76090e6ccde313f4fc5d569b78
https://github.com/bencevans/screenshot-desktop/security/advisories/GHSA-gjx4-2c7g-fm94

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