CVE-2026-93658

{"id": "CVE-2026-93658", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-93658", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-09-18T16:45:19.868483Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.0, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.0}], "cvssMetricV40": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 7.3, "Automatable": "NOT_DEFINED", "attackVector": "LOCAL", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "disclosure@vulncheck.com", "affectedData": [{"repo": "https://github.com/uutils/coreutils", "vendor": "uutils", "product": "coreutils", "versions": [{"status": "affected", "version": "0.0.18", "lessThan": "0.10.0", "versionType": "semver"}, {"status": "unaffected", "version": "0.10.0", "versionType": "semver"}], "platforms": ["Linux", "Unix", "macOS"], "packageURL": "pkg:cargo/coreutils", "packageName": "coreutils", "collectionURL": "https://crates.io", "defaultStatus": "unaffected"}]}], "published": "2026-09-18T15:17:22.360", "references": [{"url": "https://github.com/uutils/coreutils", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/uutils/coreutils/blob/0.9.0/src/uu/install/src/install.rs", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/uutils/coreutils/commit/7c87ab04fee8e52d989fb2625568a3eeda1b1f55", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/uutils/coreutils/pull/13629", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/uutils/coreutils/security/advisories/GHSA-cgg3-923w-v53m", "source": "disclosure@vulncheck.com"}, {"url": "https://www.vulncheck.com/advisories/uutils-coreutils-0.0.18-before-0.10.0-privilege-escalation-via-setuid", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/uutils/coreutils/security/advisories/GHSA-cgg3-923w-v53m", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "description": [{"lang": "en", "value": "CWE-281"}]}], "descriptions": [{"lang": "en", "value": "uutils coreutils versions before 0.10.0 apply setuid or setgid mode to install destinations before finalizing ownership changes, allowing privileged users to leave setuid executables owned by the privileged invoker when ownership changes fail. Attackers can execute leftover setuid files with elevated privileges when ownership change operations fail on capability-restricted systems."}], "lastModified": "2026-09-22T20:25:55.870", "sourceIdentifier": "disclosure@vulncheck.com"}