CVE-2026-33646
CRITICALmise: Arbitrary Code Execution via Tera Templates in .tool-versions Files (Trust Bypass)
Title source: cnaDescription
mise manages dev tools like node, python, cmake, and terraform. Prior to 2026.3.10, mise processes .tool-versions files through the Tera template engine during parsing, with the exec() function registered, enabling arbitrary command execution. Unlike .mise.toml files, .tool-versions files are not subject to trust verification in non-paranoid mode. This means an attacker can place a malicious .tool-versions file in a git repository, and when a victim with mise activated cds into the directory, arbitrary commands execute without any trust prompt. This vulnerability is fixed in 2026.3.10.
References (1)
Core 1
Core References
X_Refsource_Confirm x_refsource_confirm
https://github.com/jdx/mise/security/advisories/GHSA-fjj5-v948-whjj
Scores
CVSS v3
9.6
EPSS
0.0038
EPSS Percentile
31.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
total
Details
CWE
CWE-94
Status
published
Products (2)
crates.io/mise
0 - 2026.3.10crates.io
jdx/mise
< 2026.3.10
Published
Jun 26, 2026
Tracked Since
Jun 26, 2026