glances: Glances is an open-source system cross-platform monitoring tool
CVE-2026-46608 is fixed in glances on 1 platform by DEBIAN-CVE-2026-46608 (version 4.5.5+dfsg-1), released June 26, 2026. It is not reported as exploited. Patch Radar priority: High.
Glances is an open-source system cross-platform monitoring tool. Prior to 4.5.5, the Glances XML-RPC server (glances -s) introduced a configurable CORS origin list in version 4.5.3 as a mitigation for CVE-2026-33533. However, the implementation silently falls back to Access-Control-Allow-Origin: * whenever cors_origins contains more than one entry. An operator who configures an explicit two-entry allowlist (e.g. two internal dashboard origins) intending to restrict browser access instead receives the unrestricted wildcard. A malicious web page served from any origin can issue a CORS simple request to /RPC2 and read the full system monitoring dataset without the victim's knowledge. This vulnerability is fixed in 4.5.5.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| glances · Debian 14 | 4.5.5+dfsg-1 | DEBIAN-CVE-2026-46608 | Jun 26, 2026 |
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