{"id":"CVE-2026-117468","aliases":["EUVD-2026-110600","GHSA-897w-6p63-7p9g"],"status":"published","title":"Device-code claim permits restricted token escalation in Psono Server","description":"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.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00468,"percentile":0.40969,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2026-10-27T05:41:30Z","modified":"2026-11-04T15:01:45Z","products":[{"vendor":"esaqa gmbh","product":"psono"}],"references":[{"url":"https://gitlab.com/esaqa/psono/psono-server/-/blob/v7.2.3/psono/restapi/views/device_code_claim.py","tags":["technical-description","article"]},{"url":"https://gitlab.com/esaqa/psono/psono-server/-/commit/19ed5a192c704fece1645d946b6f4c36045bacbe","tags":["patch","fix"]},{"url":"https://gitlab.com/esaqa/psono/psono-server/-/releases/v7.2.4","tags":["release-notes","advisory"]},{"url":"https://gitlab.com/esaqa/psono/psono-server","tags":["product","package"]},{"url":"https://gitlab.com/esaqa/esaqa/security-advisories/-/blob/master/advisories/CVE-2026-117468.md","tags":["vendor-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-117468","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-897w-6p63-7p9g"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/117xxx/CVE-2026-117468.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-117468","title":"Device-code claim permits restricted token escalation in Psono Server","description":"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.","status":"published","published":"2026-10-27T05:41:30.742Z","modified":"2026-11-04T15:01:45.819Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-269"],"updated_at":"2026-11-04T16:33:47.459854Z"}],"euvd":[{"id":"EUVD-2026-110600","description":"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.","status":"published","published":"2026-10-27T05:41:30Z","modified":"2026-11-04T15:01:45Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-04T16:10:35.925015Z"}],"ghsa":[{"id":"GHSA-897w-6p63-7p9g","title":"Psono Server versions 5.3.5 through 7.2.3 used a permission class that did not enforce token...","description":"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.","status":"published","published":"2026-10-27T06:31:23Z","modified":"2026-10-27T06:31:30Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T15:14:28.078787Z"}],"nvd":[{"id":"CVE-2026-117468","description":"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.","status":"published","published":"2026-10-27T06:17:24.527Z","modified":"2026-11-04T15:17:37.34Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-269"],"updated_at":"2026-11-04T18:06:23.753671Z"}],"osv":[{"id":"CVE-2026-117468","title":"Device-code claim permits restricted token escalation in Psono Server","description":"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.","status":"published","published":"2026-10-27T05:41:30.742Z","modified":"2026-11-05T21:15:54.598392626Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-269"],"updated_at":"2026-11-05T22:01:21.792402Z"}]}}