Vulnerability · Published Sep 5, 2025 · Assigned by jpcert

CVE-2025-55037

Critical 9.8

In plain English

A critical-severity OS command injection in TkEasyGUI from kujirahand. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.3% (higher than 84% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.0)9.8Critical
Exploit odds (30 days)2.3%top 16.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Improper neutralization of special elements used in an OS command ('OS Command Injection') issue exists in TkEasyGUI versions prior to v1.0.22. If this vulnerability is exploited, an arbitrary OS command may be executed by a remote unauthenticated attacker if the settings are configured to construct messages from external sources.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
PyPItkeasygui1.0.22GHSA-hfrj-3w3g-jv32
PyPItkeasygui1.0.22PYSEC-2026-552

Affected products (as reported)

VendorProductVersions
kujirahand TkEasyGUI versions prior to v1.0.22

Weakness: CWE-78 · Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References