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Vulnerability record · CVE-2026-33646 · published 26 June 2026

CVE-2026-33646: Code injection vulnerability

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.

9.6 CVSS 3.1 Critical EPSS 0.69% · top 49.4% CWE-94 · Code injection Deferred
9.6CVSS 3.1 base score
0.69%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
29 Jun 2026Last modified by NVD

Description

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.

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

References

LinkTags
https://github.com/jdx/mise/security/advisories/GHSA-fjj5-v948-whjj
https://github.com/jdx/mise/security/advisories/GHSA-fjj5-v948-whjj

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Source: NIST National Vulnerability Database (record CVE-2026-33646), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.