CVE-2026-35587

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{"affected": [{"affectedData": [{"product": "glances", "vendor": "nicolargo", "versions": [{"status": "affected", "version": "< 4.5.4"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:nicolargo:glances:*:*:*:*:*:*:*:*", "matchCriteriaId": "03B811B3-8AF9-4B29-A6F5-A2348591DCCE", "versionEndExcluding": "4.5.4", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Glances is an open-source system cross-platform monitoring tool. Prior to version 4.5.4, a Server-Side Request Forgery (SSRF) vulnerability exists in the Glances IP plugin due to improper validation of the public_api configuration parameter. The value of public_api is used directly in outbound HTTP requests without any scheme restriction or hostname/IP validation. An attacker who can modify the Glances configuration can force the application to send requests to arbitrary internal or external endpoints. Additionally, when public_username and public_password are set, Glances automatically includes these credentials in the Authorization: Basic header, resulting in credential leakage to attacker-controlled servers. This vulnerability can be exploited to access internal network services, retrieve sensitive data from cloud metadata endpoints, and/or exfiltrate credentials via outbound HTTP requests. The issue arises because public_api is passed directly to the HTTP client (urlopen_auth) without validation, allowing unrestricted outbound connections and unintended disclosure of sensitive information. Version 4.5.4 contains a patch."}, {"lang": "es", "value": "Glances es una herramienta de monitorizaci\u00f3n de sistemas multiplataforma de c\u00f3digo abierto. Antes de la versi\u00f3n 4.5.4, existe una vulnerabilidad de falsificaci\u00f3n de petici\u00f3n del lado del servidor (SSRF) en el plugin IP de Glances debido a una validaci\u00f3n incorrecta del par\u00e1metro de configuraci\u00f3n public_api. El valor de public_api se utiliza directamente en peticiones HTTP salientes sin ninguna restricci\u00f3n de esquema o validaci\u00f3n de nombre de host/IP. Un atacante que puede modificar la configuraci\u00f3n de Glances puede forzar a la aplicaci\u00f3n a enviar peticiones a puntos finales internos o externos arbitrarios. Adem\u00e1s, cuando public_username y public_password est\u00e1n configurados, Glances incluye autom\u00e1ticamente estas credenciales en la cabecera \u2019Authorization: Basic\u2019, lo que resulta en una fuga de credenciales a servidores controlados por el atacante. Esta vulnerabilidad puede ser explotada para acceder a servicios de red internos, recuperar datos sensibles de puntos finales de metadatos en la nube y/o exfiltrar credenciales a trav\u00e9s de peticiones HTTP salientes. El problema surge porque public_api se pasa directamente al cliente HTTP (urlopen_auth) sin validaci\u00f3n, permitiendo conexiones salientes sin restricciones y la divulgaci\u00f3n no intencionada de informaci\u00f3n sensible. La versi\u00f3n 4.5.4 contiene un parche."}], "id": "CVE-2026-35587", "lastModified": "2026-10-26T22:10:00.163", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-35587", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-04-22T03:56:11.203237Z", "version": "2.0.3"}}]}, "published": "2026-04-21T00:16:29.030", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/nicolargo/glances/commit/d6808be66728956477cc4b544bab1acd71ac65fb"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Mitigation", "Vendor Advisory"], "url": "https://github.com/nicolargo/glances/security/advisories/GHSA-g5pq-48mj-jvw8"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Mitigation", "Vendor Advisory"], "url": "https://github.com/nicolargo/glances/security/advisories/GHSA-g5pq-48mj-jvw8"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-918"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,4.5.4)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "glances", "source": "cna", "vendor": "nicolargo"}, "product": "glances", "vendor": "nicolargo"}], "analysis": {"en": {"generated_at": "2026-04-21T23:15:21.498062+00:00", "value": {"mitigation_remediation": ["Upgrade Glances to version 4.5.4 or later to apply the official patch.", "If upgrading is not immediately possible, reconfigure the Glances IP plugin to remove or secure the public_api parameter\u2014disable it or restrict it to trusted hosts, and eliminate public_username and public_password from the configuration until the update can be made.", "As a temporary measure, block outbound connections from the Glances process using a firewall or network policy until the CVE is fixed."], "summary": {"action": "Patch Now", "impact": "Credential Leakage via SSRF"}, "threat_synthesis": {"affected_systems": "The vulnerability affects the open\u2011source system monitoring tool Glances provided by nicolargo. Versions prior to 4.5.4 are vulnerable; the fix is available in version 4.5.4 and later.", "description_and_impact": "The Glances IP plugin contains an SSRF flaw (CWE-918). The public_api parameter is used as\u2011is in outbound HTTP requests, without scheme or hostname validation. An attacker who can modify the Glances configuration can force the application to send requests to arbitrary internal or external endpoints. If public_username and public_password are set, these credentials are automatically included in the Authorization: Basic header, thereby leaking them to the target endpoint. This flaw allows an attacker to access internal network services, retrieve sensitive data from cloud metadata endpoints, and/or exfiltrate credentials via outbound HTTP.", "risk_and_exploitability": "The CVSS score of 7.3 indicates high severity. The EPSS score is less than 1%, and the vulnerability is not listed in the CISA KEV catalog. Exploitability requires the attacker to have the ability to modify Glances configuration or otherwise inject custom values for the public_api parameter. From the description, the likely attack vector is local configuration tampering or a privileged interface that can alter the config. Once the flaw is triggered, the application can reach any endpoint accessible from the host, including internal services, cloud metadata servers, or attacker\u2011controlled servers, potentially leaking authentication credentials. The high CVSS score combined with unrestricted outbound connectivity highlights significant risk if not patched promptly."}}}}, "created": "2026-04-21T00:30:22.737171+00:00", "updated": "2026-04-21T23:30:02.867800+00:00", "vendors": ["nicolargo", "nicolargo$PRODUCT$glances"]}