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CVE-2026-33641: Glances is an open-source system cross-platform monitoring tool

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This month
HIGH 7.8UPGRADE

CVE-2026-33641 is a high-severity flaw (CVSS 7.8) affecting glances. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 execu

Why this priority

  • High severity
  • Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score7.8 (High)
Attack vectorLocal
Attack complexityLow
Privileges neededLow
User interactionNone
EPSS exploit chance0.9% (top 41%)
CISA exploited listNo
WeaknessCWE-78
Published2026-04-02
Last modified2026-10-26
Publisher (CNA): GitHub, Inc. · Vendor: nicolargo

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Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

nicolargo glances UPGRADE
Affected: < 4.5.3
Fixed in: 4.5.3
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy glances || rpm -q glances || glances --version
2. UPGRADE to 4.5.3 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade glances
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade glances
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-33641?

glances: upgrade to 4.5.3. Exact commands for each OS are on this page.

Is CVE-2026-33641 being exploited?

CVE-2026-33641 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-33641 affect?

CVE-2026-33641 affects glances. Severity is high (CVSS 7.8). 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. T

How urgent is CVE-2026-33641?

Priority 47/100. High severity; Public exploit reference

Related CVEs

References

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