{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-31983", "assignerOrgId": "bec8025f-a851-46e5-b3a3-058e6b0aa23c", "state": "PUBLISHED", "assignerShortName": "Nozomi", "dateReserved": "2026-03-10T16:14:03.266Z", "datePublished": "2026-07-09T07:22:44.704Z", "dateUpdated": "2026-07-09T07:22:44.704Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "bec8025f-a851-46e5-b3a3-058e6b0aa23c", "shortName": "Nozomi", "dateUpdated": "2026-07-09T07:22:44.704Z"}, "title": "Missing authentication in SSH keys synchronization endpoint in Guardian/CMC before 26.2.0", "datePublic": "2026-07-07T07:00:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-306", "description": "CWE-306 Missing authentication for critical function", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-115", "descriptions": [{"lang": "en", "value": "CAPEC-115 Authentication Bypass"}]}], "affected": [{"vendor": "Nozomi Networks", "product": "Guardian", "versions": [{"status": "affected", "version": "0", "lessThan": "26.2.0", "versionType": "semver"}], "defaultStatus": "unaffected"}, {"vendor": "Nozomi Networks", "product": "CMC", "versions": [{"status": "affected", "version": "0", "lessThan": "26.2.0", "versionType": "semver"}], "defaultStatus": "unaffected"}], "cpeApplicability": [{"operator": "OR", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:nozomi_networks:guardian:*:*:*:*:*:*:*:*", "versionStartIncluding": "0", "versionEndExcluding": "26.2.0"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:nozomi_networks:cmc:*:*:*:*:*:*:*:*", "versionStartIncluding": "0", "versionEndExcluding": "26.2.0"}]}]}], "descriptions": [{"lang": "en", "value": "A Missing Authentication vulnerability was discovered in the SSH keys synchronization endpoint. An unauthenticated attacker can send a request to the SSH keys synchronization endpoint and obtain the list of users that have uploaded their public SSH keys, their groups, and the uploaded public SSH keys.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "A Missing Authentication vulnerability was discovered in the SSH keys synchronization endpoint. An unauthenticated attacker can send a request to the SSH keys synchronization endpoint and obtain the list of users that have uploaded their public SSH keys, their groups, and the uploaded public SSH keys."}]}], "references": [{"url": "https://security.nozominetworks.com/NN-2026:10-01"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subAvailabilityImpact": "NONE", "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": "MEDIUM", "baseScore": 6.9, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"}}, {"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseSeverity": "MEDIUM", "baseScore": 5.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"}}], "workarounds": [{"lang": "en", "value": "Use internal firewall features to limit access to the web management interface.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Use internal firewall features to limit access to the web management interface.<br>"}]}], "solutions": [{"lang": "en", "value": "Upgrade to v26.2.0 or later.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Upgrade to v26.2.0 or later.<br>"}]}], "credits": [{"lang": "en", "value": "This issue was found by Andrea Palanca of Nozomi Networks Product Security team during an internal investigation.", "type": "finder"}], "source": {"discovery": "INTERNAL"}, "x_generator": {"engine": "Vulnogram 0.2.0"}}}}

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