{"id":"CVE-2026-46611","state":"PUBLISHED","title":"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.","publishedAt":"2026-06-25T18:00:47.735Z","updatedAt":"2026-06-26T02:14:42.354Z","severity":{"score":5.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["nicolargo glances"],"affected":[{"vendor":"nicolargo","product":"glances","versions":[{"version":"< 4.5.5","status":"affected"}]}],"references":["https://github.com/nicolargo/glances/security/advisories/GHSA-w856-8p3r-p338","https://github.com/nicolargo/glances/releases/tag/v4.5.5"],"weaknesses":["CWE-346","CWE-350"],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/46xxx/CVE-2026-46611.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46611","state":"PUBLISHED","datePublished":"2026-06-25T18:00:47.735Z","dateUpdated":"2026-06-26T02:14:42.354Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-05-15T19:34:14.011Z"},"containers":{"cna":{"title":"Glances: XML-RPC Server Missing Host Header Validation Enables DNS Rebinding Attack","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"nicolargo","product":"glances","versions":[{"version":"< 4.5.5","status":"affected"}]}],"references":[{"url":"https://github.com/nicolargo/glances/security/advisories/GHSA-w856-8p3r-p338","name":"https://github.com/nicolargo/glances/security/advisories/GHSA-w856-8p3r-p338","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/nicolargo/glances/releases/tag/v4.5.5","name":"https://github.com/nicolargo/glances/releases/tag/v4.5.5","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-346","lang":"en","description":"CWE-346: Origin Validation Error","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-350","lang":"en","description":"CWE-350: Reliance on Reverse DNS Resolution for a Security-Critical Action","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-06-25T18:00:47.735Z"},"source":{"advisory":"GHSA-w856-8p3r-p338","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/nicolargo/glances/security/advisories/GHSA-w856-8p3r-p338","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-26T02:14:18.408132Z","id":"CVE-2026-46611","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-26T02:14:42.354Z"}}]}}}