{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-32632", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-03-12T15:29:36.559Z", "datePublished": "2026-03-18T17:47:25.929Z", "dateUpdated": "2026-03-18T18:15:59.648Z"}, "containers": {"cna": {"title": "Glances's REST/WebUI Lacks Host Validation and Remains Exposed to DNS Rebinding", "problemTypes": [{"descriptions": [{"cweId": "CWE-346", "lang": "en", "description": "CWE-346: Origin Validation Error", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/nicolargo/glances/security/advisories/GHSA-hhcg-r27j-fhv9", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/nicolargo/glances/security/advisories/GHSA-hhcg-r27j-fhv9"}, {"name": "https://github.com/nicolargo/glances/commit/5850c564ee10804fdf884823b9c210eb954dd1f9", "tags": ["x_refsource_MISC"], "url": "https://github.com/nicolargo/glances/commit/5850c564ee10804fdf884823b9c210eb954dd1f9"}, {"name": "https://github.com/nicolargo/glances/releases/tag/v4.5.2", "tags": ["x_refsource_MISC"], "url": "https://github.com/nicolargo/glances/releases/tag/v4.5.2"}], "affected": [{"vendor": "nicolargo", "product": "glances", "versions": [{"version": "< 4.5.2", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-03-18T17:47:25.929Z"}, "descriptions": [{"lang": "en", "value": "Glances is an open-source system cross-platform monitoring tool. Glances recently added DNS rebinding protection for the MCP endpoint, but prior to version 4.5.2, the main REST/WebUI FastAPI application still accepts arbitrary `Host` headers and does not apply `TrustedHostMiddleware` or an equivalent host allowlist. As a result, the REST API, WebUI, and token endpoint remain reachable through attacker-controlled domains in classic DNS rebinding scenarios. Once the victim browser has rebound the attacker domain to the Glances service, same-origin policy no longer protects the API because the browser considers the rebinding domain to be the origin. This is a distinct issue from the previously reported default CORS weakness. CORS is not required for exploitation here because DNS rebinding causes the victim browser to treat the malicious domain as same-origin with the rebinding target. Version 4.5.2 contains a patch for the issue."}], "source": {"advisory": "GHSA-hhcg-r27j-fhv9", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/nicolargo/glances/security/advisories/GHSA-hhcg-r27j-fhv9", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-03-18T18:15:48.491743Z", "id": "CVE-2026-32632", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-18T18:15:59.648Z"}}]}}

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