CVE-2026-68520 Glances: as_dict_secure() Value-Level Bypass Leaks Credentials in URL Values via /api/4/config

Medium 5.3 Published Updated

Unauthenticated attackers can retrieve sensitive credentials from API endpoints due to insufficient sanitization in Glances configuration exports.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2026-68520?

CVE-2026-68520 is a medium-severity vulnerability in nicolargo glances, published on 17 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Glances is an open-source system cross-platform monitoring tool. Prior to 4.5.6, as_dict_secure() in glances/config.py checks only option names and exposes public_username and credentials embedded in public_api values through unauthenticated GET /api/4/config and GET /api/4/config/ip requests. This issue is fixed in 4.5.6.

Weakness: CWE-200

Which versions are affected by CVE-2026-68520?

3 open source packages ship an affected version, including glances.

PackageAffectedFixed in
glances PyPIAll versions4.5.6
glances PyPIAll versions4.5.6
glances PyPIAll versions4.5.6

How do I fix CVE-2026-68520?

Upgrade glances to 4.5.6 or later.

Is CVE-2026-68520 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-68520 exists.

Sources

Also known as DEBIAN-CVE-2026-68520, GHSA-4h34-v6r8-mmjc, PYSEC-2026-3664, UBUNTU-CVE-2026-68520.

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