CVE-2026-55448

MediumCVSS 6.3/10Last modified Jun 27, 2026

Description

mise manages dev tools like node, python, cmake, and terraform. From 2026.3.15 until 2026.6.4, mise loads github.credential_command from local project config before any trust decision, then executes that value with sh -c when resolving a GitHub token. An attacker who can place a .mise.toml in a repository can execute arbitrary shell commands when the victim runs a GitHub-related mise command and no higher-priority GitHub token environment variable is set. This vulnerability is fixed in 2026.6.4.

Metrics

CVSS 3.1 6.3/10CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-78

Affected software

No affected versions have been published.

Timeline

Published: Jun 26, 2026
Last modified: Jun 27, 2026
NVD status: Deferred

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