{"id":"CVE-2026-16987","aliases":["EUVD-2026-58385","GHSA-3842-xc6g-8v9q"],"status":"published","title":"IBM i is Affected By An Improper Validation Vulnerability in PASE []","description":"IBM i 7.6, 7.5, 7.4, and 7.3 could allow a local attacker to gain elevated privileges due to improper validation of the LANG environment variable.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00153,"percentile":0.04517,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-73"],"published":"2026-08-13T19:54:15Z","modified":"2026-08-17T14:42:35Z","products":[{"vendor":"ibm","product":"i"}],"references":[{"url":"https://www.ibm.com/support/pages/node/7283296","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-16987"},{"url":"https://github.com/advisories/GHSA-3842-xc6g-8v9q"}],"sources":{"cve":[{"id":"CVE-2026-16987","title":"IBM i is Affected By An Improper Validation Vulnerability in PASE []","description":"IBM i 7.6, 7.5, 7.4, and 7.3 could allow a local attacker to gain elevated privileges due to improper validation of the LANG environment variable.","status":"published","published":"2026-08-13T19:54:15.657Z","modified":"2026-08-14T12:39:25.378Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-73"],"updated_at":"2026-11-02T14:20:11.24076Z"}],"euvd":[{"id":"EUVD-2026-58385","description":"IBM i 7.6, 7.5, 7.4, and 7.3 could allow a local attacker to gain elevated privileges due to improper validation of the LANG environment variable.","status":"published","published":"2026-08-13T19:54:15Z","modified":"2026-08-14T12:39:25Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:01:54.910263Z"}],"ghsa":[{"id":"GHSA-3842-xc6g-8v9q","title":"IBM i 7.6, 7.5, 7.4, and 7.3 could allow a local attacker to gain elevated privileges due to...","description":"IBM i 7.6, 7.5, 7.4, and 7.3 could allow a local attacker to gain elevated privileges due to improper validation of the LANG environment variable.","status":"published","published":"2026-08-13T21:36:06Z","modified":"2026-08-13T21:36:14Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-73"],"updated_at":"2026-11-02T15:10:26.766632Z"}],"nvd":[{"id":"CVE-2026-16987","description":"IBM i 7.6, 7.5, 7.4, and 7.3 could allow a local attacker to gain elevated privileges due to improper validation of the LANG environment variable.","status":"published","published":"2026-08-13T20:17:17.53Z","modified":"2026-08-17T14:42:35.18Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-73"],"updated_at":"2026-11-02T14:12:37.557758Z"}]}}