CVE-2026-32634 Glances Central Browser Autodiscovery Leaks Reusable Credentials to Zeroconf-Spoofed Servers
An attacker on the local network can spoof Zeroconf services to steal reusable authentication credentials from Glances Central Browser mode.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-32634?
CVE-2026-32634 is a high-severity vulnerability in nicolargo glances, published on 18 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Which versions are affected by CVE-2026-32634?
3 open source packages ship an affected version, including glances and Glances. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
glances PyPI | All versions | 4.5.2 |
glances PyPI | All versions | 4.5.2 |
Glances PyPI | All versions | 4.5.2 |
Products include Nicolargo Glances.
How do I fix CVE-2026-32634?
Upgrade glances to 4.5.2 or later.
Is CVE-2026-32634 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-32634 exists.
Other vulnerabilities in nicolargo glances
- CVE-2026-32633 Glances's Browser API Exposes Reusable Downstream Credentials via `/api/4/serverslist`
- CVE-2026-32596 Glances exposes the REST API without authentication
- CVE-2026-30928 Glances Exposes Unauthenticated Configuration Secrets
- CVE-2026-32610 Glances's Default CORS Configuration Allows Cross-Origin Credential Theft
- CVE-2026-33641 Glances Vulnerable to Command Injection via Dynamic Configuration Values
Sources
Also known as DEBIAN-CVE-2026-32634, GHSA-vx5f-957p-qpvm, PYSEC-2026-2172, UBUNTU-CVE-2026-32634.