RCE in Nicolargo Glances
CVE-2026-62982
Glances is an open-source system cross-platform monitoring tool. From 4.5.2 until 4.5.6, _sanitize_mustache_dict() in glances/actions.py skips nested list and dictionary strings such as process cmdline values, allowing pipe characters to survive chevron.render() and be executed by secure_popen() through administrator-configured action templates. This issue is fixed in 4.5.6.
Vulnerability class: Command Injection (OS Command Injection)
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Nicolargo Glances — versions >= 4.5.2, < 4.5.6
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-62982?
- CVE-2026-62982 is a high-severity vulnerability in Nicolargo Glances, classified under OS Command Injection. CVSS score: 8.8/10. Published 2026-08-17.
- How severe is CVE-2026-62982?
- High severity. CVSS v3 base score is 8.8 out of 10.