{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-82474","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-08-29T14:11:14.262Z","datePublished":"2026-08-29T16:35:33.836Z","dateUpdated":"2026-08-29T16:35:33.836Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-08-29T16:35:33.836Z"},"datePublic":"2026-03-20T00:00:00.000Z","title":"Sudo through 1.9.17p2 Intercept Policy Bypass via execveat","descriptions":[{"lang":"en","value":"Sudo through 1.9.17p2 fails to apply intercept policy checks to the execveat system call in ptrace-based intercept mode. Users permitted to run specific commands can execute denied programs by calling execveat directly or through fexecve, bypassing policy enforcement and logging."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Protection Mechanism Failure","cweId":"CWE-693","type":"CWE"}]}],"affected":[{"vendor":"sudo-project","product":"sudo","defaultStatus":"unaffected","versions":[{"version":"0","lessThanOrEqual":"1.9.17p2","status":"affected","versionType":"custom"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:sudo_project:sudo:*:*:*:*:*:*:*:*","versionEndIncluding":"1.9.17p2"}]}]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":8.5,"baseSeverity":"HIGH"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH"}}],"references":[{"url":"https://github.com/sudo-project/sudo/commit/71fbe42dcd5a1c8f799540583a2dfb2ae6221edf","tags":["patch"],"name":"Patch Commit"},{"url":"https://github.com/sudo-project/sudo/blob/v1.9.17p2/src/exec_ptrace.c","tags":["technical-description"]},{"url":"https://github.com/sudo-project/sudo","tags":["product"]},{"name":"VulnCheck Advisory: Sudo through 1.9.17p2 Intercept Policy Bypass via execveat","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/sudo-through-1.9-17p2-intercept-policy-bypass-via-execveat"}],"credits":[{"lang":"en","value":"XlabAI Team of Tencent Xuanwu Lab","type":"finder"},{"lang":"en","value":"Guannan Wang","type":"finder"},{"lang":"en","value":"Zhanpeng Liu","type":"finder"},{"lang":"en","value":"Guancheng Li","type":"finder"},{"lang":"en","value":"Nofil Qasim","type":"finder"},{"lang":"en","value":"Quentin Chalabi","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}}}}