{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-30892", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-03-06T00:04:56.701Z", "datePublished": "2026-03-25T23:57:01.741Z", "dateUpdated": "2026-03-25T23:57:01.741Z"}, "containers": {"cna": {"title": "Crun incorrectly parses `crun exec` option `-u`, leading to privilege escalation", "problemTypes": [{"descriptions": [{"cweId": "CWE-269", "lang": "en", "description": "CWE-269: Improper Privilege Management", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 0, "baseSeverity": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/containers/crun/security/advisories/GHSA-4vg2-xjqj-7chj", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/containers/crun/security/advisories/GHSA-4vg2-xjqj-7chj"}, {"name": "https://github.com/containers/crun/commit/1bd7f42446999b0e76bc3d575392e05c943b0b01", "tags": ["x_refsource_MISC"], "url": "https://github.com/containers/crun/commit/1bd7f42446999b0e76bc3d575392e05c943b0b01"}, {"name": "https://github.com/containers/crun/releases/tag/1.27", "tags": ["x_refsource_MISC"], "url": "https://github.com/containers/crun/releases/tag/1.27"}], "affected": [{"vendor": "containers", "product": "crun", "versions": [{"version": ">= 1.19, < 1.27", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-03-25T23:57:01.741Z"}, "descriptions": [{"lang": "en", "value": "crun is an open source OCI Container Runtime fully written in C. In versions 1.19 through 1.26, the `crun exec` option `-u` (`--user`) is incorrectly parsed. The value `1` is interpreted as UID 0 and GID 0 when it should have been UID 1 and GID 0. The process thus runs with higher privileges than expected. Version 1.27 patches the issue."}], "source": {"advisory": "GHSA-4vg2-xjqj-7chj", "discovery": "UNKNOWN"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "crun is an open source OCI Container Runtime fully written in C. In versions 1.19 through 1.26, the `crun exec` option `-u` (`--user`) is incorrectly parsed. The value `1` is interpreted as UID 0 and GID 0 when it should have been UID 1 and GID 0. The process thus runs with higher privileges than expected. Version 1.27 patches the issue."}], "id": "CVE-2026-30892", "lastModified": "2026-03-26T00:16:38.953", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 0.0, "baseSeverity": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.5, "impactScore": 0.0, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-03-26T00:16:38.953", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/containers/crun/commit/1bd7f42446999b0e76bc3d575392e05c943b0b01"}, {"source": "security-advisories@github.com", "url": "https://github.com/containers/crun/releases/tag/1.27"}, {"source": "security-advisories@github.com", "url": "https://github.com/containers/crun/security/advisories/GHSA-4vg2-xjqj-7chj"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-269"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}