{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-67438","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-07-29T15:07:24.992Z","datePublished":"2026-07-29T20:53:09.524Z","dateUpdated":"2026-07-30T15:18:25.719Z"},"containers":{"cna":{"title":"OliveTin OS Command Injection via Custom regex: Argument Type Bypassing Shell Safety Check","problemTypes":[{"descriptions":[{"cweId":"CWE-78","lang":"en","description":"CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.6,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"name":"https://github.com/OliveTin/OliveTin/security/advisories/GHSA-xc5w-4v5w-7x65","tags":["x_refsource_CONFIRM"],"url":"https://github.com/OliveTin/OliveTin/security/advisories/GHSA-xc5w-4v5w-7x65"},{"name":"https://github.com/OliveTin/OliveTin/commit/995ff79736f2bccc364448a3ece84087b550b232","tags":["x_refsource_MISC"],"url":"https://github.com/OliveTin/OliveTin/commit/995ff79736f2bccc364448a3ece84087b550b232"},{"name":"https://github.com/OliveTin/OliveTin/releases/tag/3000.17.0","tags":["x_refsource_MISC"],"url":"https://github.com/OliveTin/OliveTin/releases/tag/3000.17.0"}],"affected":[{"vendor":"OliveTin","product":"OliveTin","versions":[{"version":">= 3000.2.0, < 3000.17.0","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-07-29T20:53:09.524Z"},"descriptions":[{"lang":"en","value":"OliveTin gives access to predefined shell commands from a web interface. From 3000.2.0 until 3000.17.0, the service/internal/executor/arguments.go checkShellArgumentSafety function does not treat regex: custom argument types as unsafe for Shell mode actions, allowing values that pass typeSafetyCheckRegex to be interpolated by wrapCommandInShell into an sh -c command string and enabling OS command injection. This issue is fixed in version 3000.17.0."}],"source":{"advisory":"GHSA-xc5w-4v5w-7x65","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/OliveTin/OliveTin/security/advisories/GHSA-xc5w-4v5w-7x65","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-30T14:19:29.634217Z","id":"CVE-2026-67438","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-07-30T15:18:25.719Z"}}]}}