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    "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": [
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                            "type": "text/html",
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                            "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": [
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                            "type": "text/html",
                            "base64": false,
                            "value": "<p>Upgrade to Psono Server 7.2.4 or later.</p>"
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                }
            ],
            "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"
            }
        }
    }
}