Glances: XML-RPC Server Missing Host Header Validation Enables DNS Rebinding Attack

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

• CISA KEV Not listed.
• EPSS 0.0014, the 3rd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

1. 31 Oct 2026, 14:42 UTC First seen by agentprime
2. 31 Oct 2026, 14:42 UTC Confirmed by OSV

Sources

• GitHub Advisory Database: GHSA-w856-8p3r-p338
• OSV: GHSA-w856-8p3r-p338
• github.com/nicolargo/glances/security/advisories/GHSA-w856-8p3r-p338
• nvd.nist.gov/vuln/detail/CVE-2026-46611
• github.com/advisories/GHSA-w856-8p3r-p338
• github.com/nicolargo/glances
• github.com/nicolargo/glances/releases/tag/v4.5.5
• github.com/pypa/advisory-database/tree/main/vulns/glances/PYSEC-2026-2498.yaml
• pypi.org/project/glances

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.