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CVE-2026-68518— Glances: Command injection bypass of action-template sanitizer via cross-field shell-operator reconstruction

Quick assessment

Affected
nicolargo glances
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Nicolas Hennion Glances是Nicolas Hennion个人开发者的一款系统监控工具。 Nicolas Hennion Glances 4.5.6之前版本存在命令注入漏洞，该漏洞源于glances/actions.py中的_sanitize_mustache_dict()函数对单个Mustache值清理不充分，导致相邻未转义的Mustache变量可重构shell操作符，进而可能被secure_popen()执行，存在命令注入风险。

CVSS 8.8 · High EPSS 0.14% · P4

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 1

VendorProduct Version RangeStatus
nicolargo glances < 4.5.6 affected
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I. Basic Information for CVE-2026-68518

Vulnerability Information
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Vulnerability Title
Glances: Command injection bypass of action-template sanitizer via cross-field shell-operator reconstruction
Source: CVE Program / CVE List V5
Vulnerability Description
Glances is an open-source system cross-platform monitoring tool. Prior to 4.5.6, _sanitize_mustache_dict() in glances/actions.py sanitizes individual Mustache values before chevron.render(), allowing adjacent unescaped Mustache variables to reconstruct shell operators that secure_popen() executes when attacker-controlled process or container fields are rendered by an administrator-configured action template. This issue is fixed in 4.5.6.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Nicolas Hennion Glances 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nicolas Hennion Glances是Nicolas Hennion个人开发者的一款系统监控工具。 Nicolas Hennion Glances 4.5.6之前版本存在命令注入漏洞，该漏洞源于glances/actions.py中的_sanitize_mustache_dict()函数对单个Mustache值清理不充分，导致相邻未转义的Mustache变量可重构shell操作符，进而可能被secure_popen()执行，存在命令注入风险。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
nicolargo glances < 4.5.6 -

II. Public POCs for CVE-2026-68518

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 10518 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
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Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-68518

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Patches & Fixes for CVE-2026-68518 (2)

Vendor Advisories for CVE-2026-68518 (1)

Same Patch Batch · nicolargo · 2026-08-17 · 5 CVEs total

CVE-2026-62982 8.8 HIGH Glances: Incomplete fix of CVE-2026-32608: action-template sanitizer is bypassed by nested
CVE-2026-68519 7.1 HIGH Glances: `--disable-config-exec` does not cover on-alert action commands (incomplete fix o
CVE-2026-68517 6.5 MEDIUM Glances: REST API CORS Credentials Guard Uses Exact-Match Instead of Membership Test — Byp
CVE-2026-68520 5.3 MEDIUM Glances: as_dict_secure() Value-Level Bypass Leaks Credentials in URL Values via /api/4/co

IV. Related Vulnerabilities

Same product: glances
Same vendor: nicolargo
Same weakness: CWE-78

V. Comments for CVE-2026-68518

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