What is CVE-2026-33646?

CVE-2026-33646 is a critical-severity vulnerability in Jdx Mise, classified under Code Injection. CVSS score: 9.6/10. Published 2026-06-26.

How severe is CVE-2026-33646?

Critical severity. CVSS v3 base score is 9.6 out of 10.

RCE in Jdx Mise

CVE-2026-33646

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 execut…

Vulnerability class: RCE (Remote Code Execution)

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Jdx Mise — versions < 2026.3.10

Weakness classification (CWE)

CWE-94 — Code Injection

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-33646?: CVE-2026-33646 is a critical-severity vulnerability in Jdx Mise, classified under Code Injection. CVSS score: 9.6/10. Published 2026-06-26.
How severe is CVE-2026-33646?: Critical severity. CVSS v3 base score is 9.6 out of 10.