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CVE-2026-46611— Glances: XML-RPC Server Missing Host Header Validation Enables DNS Rebinding Attack

Quick assessment

Affected
nicolargo glances
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
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 4.5.5之前版本存在安全漏洞，该漏洞源于未验证HTTP Host标头，可能导致DNS重绑定攻击。

CVSS 5.3 · Medium EPSS 0.17% · P5

Possible ATT&CK Techniques 1 AI

T1071 · Application Layer Protocol

Affected Version Matrix 1

VendorProduct Version RangeStatus
nicolargo glances < 4.5.5 affected
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I. Basic Information for CVE-2026-46611

Vulnerability Information
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Vulnerability Title
Glances: XML-RPC Server Missing Host Header Validation Enables DNS Rebinding Attack
Source: CVE Program / CVE List V5
Vulnerability Description
Glances is an open-source system cross-platform monitoring tool. Prior to 4.5.5, the Glances XML-RPC server (glances -s, implemented in glances/server.py) does not validate the HTTP Host header, leaving it vulnerable to DNS rebinding attacks. An attacker can exploit DNS rebinding to exfiltrate the full system monitoring dataset from a victim's browser. This vulnerability is fixed in 4.5.5.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
源验证错误
Source: CVE Program / CVE List V5
Vulnerability Title
Nicolas Hennion Glances 输入验证错误漏洞
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 4.5.5之前版本存在安全漏洞，该漏洞源于未验证HTTP Host标头，可能导致DNS重绑定攻击。
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 < 4.5.5 -

II. Public POCs for CVE-2026-46611

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III. Intelligence Information for CVE-2026-46611

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Vendor Advisories for CVE-2026-46611 (1)

Vendor Pages for CVE-2026-46611 (1)

Same Patch Batch · nicolargo · 2026-06-25 · 5 CVEs total

CVE-2026-53925 7.8 HIGH Glances: Arbitrary file write and command execution via `secure_popen` redirection and cha
CVE-2026-46607 7.8 HIGH Glances: Insecure Pickle Deserialization in Version Cache Leads to Arbitrary Code Executio
CVE-2026-46606 7.8 HIGH Glances: Command Injection via KVM/QEMU VM Domain Names in glances/plugins/vms/engines/vir
CVE-2026-46608 7.4 HIGH Glances: XML-RPC Multi-Origin CORS Configuration Silently Falls Back to Wildcard (Incomple

IV. Related Vulnerabilities

Same product: glances
Same vendor: nicolargo
Same weakness: CWE-346

V. Comments for CVE-2026-46611

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