RCE in Umijs Umi

CVE-2026-16492

A weakness has been identified in umijs umi up to 4.6.63. The affected element is the function git.getFileCreateInfo of the file packages/utils/src/getFileGitIno.ts of the component GIT File Helper. This manipulation causes os command injection. The exploit has been made available to the public and could be used for attacks. Upgrading to version 4.6.64 is sufficient to fix this issue. Patch name: b6da12c17b024a43badb1fa565720c38cf42e647. Upgrading the affected component is advised.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.039 (89.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-16492?
CVE-2026-16492 is a medium-severity vulnerability in Umijs Umi, classified under Command Injection. CVSS score: 5.5/10. Published 2026-07-22.
How severe is CVE-2026-16492?
Medium severity. CVSS v3 base score is 5.5 out of 10.