What is CVE-2026-55441?

CVE-2026-55441 is a high-severity vulnerability in Jdx Mise, classified under OS Command Injection. CVSS score: 8.6/10. Published 2026-06-26.

How severe is CVE-2026-55441?

High severity. CVSS v3 base score is 8.6 out of 10.

RCE in Jdx Mise

CVE-2026-55441

mise manages dev tools like node, python, cmake, and terraform. Prior to 2026.6.4, mise's trust feature gates config files (mise.toml, .tool-versions) through trust_check, but task-include files are loaded on a path that never reaches it…

Vulnerability class: Command Injection (OS Command Injection)

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Jdx Mise — versions < 2026.6.4

Weakness classification (CWE)

CWE-78 — OS Command Injection
CWE-94 — Code Injection
CWE-732 — Incorrect Permission Assignment for Critical Resource

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-55441?: CVE-2026-55441 is a high-severity vulnerability in Jdx Mise, classified under OS Command Injection. CVSS score: 8.6/10. Published 2026-06-26.
How severe is CVE-2026-55441?: High severity. CVSS v3 base score is 8.6 out of 10.