CVE-2026-46611
Glances: XML-RPC Server Missing Host Header Validation Enables DNS Rebinding Attack
5.3
MEDIUM
CVSS 3.1
EPSS 0.16%
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.
How to fix CVE-2026-46611
To remediate CVE-2026-46611, upgrade the affected package to a fixed version below.
- —upgrade to 4.5.5 or later
- —upgrade to 4.5.5 or later
Is CVE-2026-46611 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 4.5.5
- from 0, < 4.5.5
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N |