{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-9508", "assignerOrgId": "0cbda920-cd7f-484a-8e76-bf7f4b7f4516", "state": "PUBLISHED", "assignerShortName": "INCIBE", "dateReserved": "2026-05-25T13:57:29.006Z", "datePublished": "2026-05-29T12:09:02.026Z", "dateUpdated": "2026-05-29T13:33:31.937Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "0cbda920-cd7f-484a-8e76-bf7f4b7f4516", "shortName": "INCIBE", "dateUpdated": "2026-05-29T12:09:02.026Z" }, "title": "Incorrect Permission Assignment for Critical Resource vulnerability in Suprema's BioStar", "datePublic": "2026-05-29T10:00:00.000Z", "problemTypes": [ { "descriptions": [ { "lang": "en", "cweId": "CWE-732", "description": "CWE-732: Incorrect Permission Assignment for Critical Resource", "type": "CWE" } ] } ], "affected": [ { "vendor": "Suprema", "product": "BioStar 2 (server)", "versions": [ { "status": "affected", "version": "v2.9.3", "lessThanOrEqual": "v2.9.11", "versionType": "custom" }, { "status": "unaffected", "version": "v2.9.12" } ], "defaultStatus": "unaffected" } ], "descriptions": [ { "lang": "en", "value": "Incorrect permission settings on a critical resource in Suprema BioStar 2 (versions 2.9.3 through 2.9.11) that allow backup files to be publicly exposed when the administrator configures their path within the NGINX webroot. This vulnerability allows an attacker with network access to directly download backup ZIP files via ‘http(s)://[server]/download/…’ without requiring authentication. This exposes highly sensitive information that can lead to server impersonation, unauthorized access to databases, and lateral movement.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "Incorrect permission settings on a critical resource in Suprema BioStar 2 (versions 2.9.3 through 2.9.11) that allow backup files to be publicly exposed when the administrator configures their path within the NGINX webroot. This vulnerability allows an attacker with network access to directly download backup ZIP files via ‘http(s)://[server]/download/…’ without requiring authentication. This exposes highly sensitive information that can lead to server impersonation, unauthorized access to databases, and lateral movement." } ] } ], "references": [ { "url": "https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-supremas-biostar", "tags": [ "patch" ] } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV4_0": { "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "LOW", "subAvailabilityImpact": "LOW", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "CRITICAL", "baseScore": 10, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L" } } ], "solutions": [ { "lang": "en", "value": "The vulnerability has been fixed by the Suprema team. We recommend updating to the latest available version.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "The vulnerability has been fixed by the Suprema team. We recommend updating to the latest available version." } ] } ], "credits": [ { "lang": "en", "value": "Jordi Garcia Ribera", "type": "finder" } ], "source": { "discovery": "EXTERNAL" }, "x_generator": { "engine": "Vulnogram 1.0.2" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-05-29T13:33:21.430933Z", "id": "CVE-2026-9508", "options": [ { "Exploitation": "none" }, { "Automatable": "yes" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-29T13:33:31.937Z" } } ] } }