CVE-2026-46611
Glances: XML-RPC Server Missing Host Header Validation Enables DNS Rebinding Attack
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.
INFO
Published Date :
June 25, 2026, 6 p.m.
Last Modified :
June 25, 2026, 6 p.m.
Remotely Exploit :
Yes !
Source :
GitHub_M
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update Glances to version 4.5.5 or later.
- Disable the XML-RPC server if not needed.
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