CVE-2026-68518 nicolargo CVE debrief

Who should care

Administrators using Glances for system monitoring should assess their exposure and update to version 4.5.6 or later to mitigate this vulnerability. The vulnerability allows for potential shell command injection, elevation of privileges for attackers, and possible data breaches or system compromise. It is crucial for administrators to verify their version and take necessary actions to prevent exploitation.

Why it matters

CVE-2026-68518 is a high-severity vulnerability in Glances that allows for shell command injection when an administrator renders an action template with attacker-controlled process or container fields. Administrators should verify their version and update to 4.5.6 or later to mitigate this vulnerability.

• Potential shell command injection
• Elevation of privileges for attackers
• Possible data breaches or system compromise
• Need for version verification and updates

Technical summary

The _sanitize_mustache_dict() function in glances/actions.py does not properly sanitize Mustache values, allowing for shell command injection when an administrator renders an action template with attacker-controlled process or container fields. This issue is fixed in version 4.5.6. The vulnerability allows for potential shell command injection, elevation of privileges for attackers, and possible data breaches or system compromise. Administrators using Glances should verify their version and update to 4.5.6 or later to mitigate this vulnerability.

Defensive priority

Administrators using Glances should verify their version and update to 4.5.6 or later to mitigate this vulnerability.

Recommended defensive actions

• Update Glances to version 4.5.6 or later
• Verify administrator-configured action templates for potential vulnerabilities
• Monitor for suspicious activity in Glances logs
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, its impact, and the fixed version. The _sanitize_mustache_dict() function in glances/actions.py does not properly sanitize Mustache values, allowing for shell command injection when an administrator renders an action template with attacker-controlled process or container fields. The issue is fixed in version 4.5.6. Administrators should verify their version and update to 4.5.6 or later to mitigate this vulnerability. The vulnerability allows for potential shell command

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.