{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-117468", "assignerOrgId": "fdf66990-8419-4c8c-8848-ec15d75773b4", "state": "PUBLISHED", "assignerShortName": "esaqa", "dateReserved": "2026-10-27T05:33:18.001Z", "datePublished": "2026-10-27T05:41:30.742Z", "dateUpdated": "2026-10-27T05:59:08.920Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "fdf66990-8419-4c8c-8848-ec15d75773b4", "shortName": "esaqa", "dateUpdated": "2026-10-27T05:59:08.920Z"}, "title": "Device-code claim permits restricted token escalation in Psono Server", "datePublic": "2026-10-27T00:00:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-269", "description": "CWE-269 Improper Privilege Management", "type": "CWE"}]}], "impacts": [{"descriptions": [{"lang": "en", "value": "A restricted, short-lived API key session could be escalated to a full read-write session lasting up to 365 days, enabling unauthorized modification of encrypted secrets and shares."}]}], "affected": [{"vendor": "esaqa GmbH", "product": "Psono", "repo": "https://gitlab.com/esaqa/psono/psono-server", "modules": ["Psono Server Community Edition", "Psono Server Enterprise Edition"], "programFiles": ["psono/restapi/views/device_code_claim.py", "psono/restapi/views/device_code_token.py"], "versions": [{"status": "affected", "version": "5.3.5", "lessThan": "7.2.4", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Psono Server versions 5.3.5 through 7.2.3 used a permission class that did not enforce token write scope when claiming a device code. An authenticated remote attacker holding a restricted API key-derived session could claim an attacker-controlled device code and obtain a full read-write session valid for up to 365 days, bypassing the original token's scope and lifetime restrictions. This did not bypass two-factor authentication or directly disclose plaintext secrets.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Psono Server versions 5.3.5 through 7.2.3 used a permission class that did not enforce token write scope when claiming a device code. An authenticated remote attacker holding a restricted API key-derived session could claim an attacker-controlled device code and obtain a full read-write session valid for up to 365 days, bypassing the original token's scope and lifetime restrictions. This did not bypass two-factor authentication or directly disclose plaintext secrets.</p>"}]}], "references": [{"url": "https://gitlab.com/esaqa/psono/psono-server/-/blob/v7.2.3/psono/restapi/views/device_code_claim.py", "tags": ["technical-description"]}, {"url": "https://gitlab.com/esaqa/psono/psono-server/-/commit/19ed5a192c704fece1645d946b6f4c36045bacbe", "tags": ["patch"]}, {"url": "https://gitlab.com/esaqa/psono/psono-server/-/releases/v7.2.4", "tags": ["release-notes"]}, {"url": "https://gitlab.com/esaqa/psono/psono-server", "tags": ["product"]}, {"url": "https://gitlab.com/esaqa/esaqa/security-advisories/-/blob/master/advisories/CVE-2026-117468.md", "tags": ["vendor-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseSeverity": "MEDIUM", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"}}], "solutions": [{"lang": "en", "value": "Upgrade to Psono Server 7.2.4 or later.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Upgrade to Psono Server 7.2.4 or later.</p>"}]}], "timeline": [{"time": "2026-07-29T16:10:00.000Z", "lang": "en", "value": "Vulnerability reported to vendor"}, {"time": "2026-07-30T07:13:00.000Z", "lang": "en", "value": "Vendor fix implemented"}, {"time": "2026-07-30T13:16:00.000Z", "lang": "en", "value": "Psono CE & EE Server 7.2.4 released"}], "credits": [{"lang": "en", "value": "Ryan Chaplin", "type": "finder"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "modules": ["Psono Server Community Edition", "Psono Server Enterprise Edition"], "product": "Psono", "programFiles": ["psono/restapi/views/device_code_claim.py", "psono/restapi/views/device_code_token.py"], "repo": "https://gitlab.com/esaqa/psono/psono-server", "vendor": "esaqa GmbH", "versions": [{"lessThan": "7.2.4", "status": "affected", "version": "5.3.5", "versionType": "semver"}]}], "source": "fdf66990-8419-4c8c-8848-ec15d75773b4"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Psono Server versions 5.3.5 through 7.2.3 used a permission class that did not enforce token write scope when claiming a device code. An authenticated remote attacker holding a restricted API key-derived session could claim an attacker-controlled device code and obtain a full read-write session valid for up to 365 days, bypassing the original token's scope and lifetime restrictions. This did not bypass two-factor authentication or directly disclose plaintext secrets."}], "id": "CVE-2026-117468", "lastModified": "2026-10-27T06:17:24.527", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "fdf66990-8419-4c8c-8848-ec15d75773b4", "type": "Secondary"}]}, "published": "2026-10-27T06:17:24.527", "references": [{"source": "fdf66990-8419-4c8c-8848-ec15d75773b4", "url": "https://gitlab.com/esaqa/esaqa/security-advisories/-/blob/master/advisories/CVE-2026-117468.md"}, {"source": "fdf66990-8419-4c8c-8848-ec15d75773b4", "url": "https://gitlab.com/esaqa/psono/psono-server"}, {"source": "fdf66990-8419-4c8c-8848-ec15d75773b4", "url": "https://gitlab.com/esaqa/psono/psono-server/-/blob/v7.2.3/psono/restapi/views/device_code_claim.py"}, {"source": "fdf66990-8419-4c8c-8848-ec15d75773b4", "url": "https://gitlab.com/esaqa/psono/psono-server/-/commit/19ed5a192c704fece1645d946b6f4c36045bacbe"}, {"source": "fdf66990-8419-4c8c-8848-ec15d75773b4", "url": "https://gitlab.com/esaqa/psono/psono-server/-/releases/v7.2.4"}], "sourceIdentifier": "fdf66990-8419-4c8c-8848-ec15d75773b4", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-269"}], "source": "fdf66990-8419-4c8c-8848-ec15d75773b4", "type": "Secondary"}]}

{}

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