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CVE-2026-55448

mise

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.

CVSS 6.3EPSS 0.11499999999999999%Risk 0.64
View source
Published
2026-06-26 18:17:01
Affected versions
>=2026.3.15,<2026.6.4
Type
Critical software
Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N