{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-59858", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-07-07T15:41:53.606Z", "datePublished": "2026-07-09T22:37:52.789Z", "dateUpdated": "2026-07-09T22:37:52.789Z"}, "containers": {"cna": {"title": "Vim: Arbitrary Code Execution via C Omni-Completion", "problemTypes": [{"descriptions": [{"cweId": "CWE-94", "lang": "en", "description": "CWE-94: Improper Control of Generation of Code ('Code Injection')", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "ACTIVE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.4, "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/vim/vim/security/advisories/GHSA-mf92-v4xw-j45x", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/vim/vim/security/advisories/GHSA-mf92-v4xw-j45x"}, {"name": "https://github.com/vim/vim/commit/6b611b0d15603c52ebdad17172b0232b4f65704e", "tags": ["x_refsource_MISC"], "url": "https://github.com/vim/vim/commit/6b611b0d15603c52ebdad17172b0232b4f65704e"}], "affected": [{"vendor": "vim", "product": "vim", "versions": [{"version": "< 9.2.0735", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-09T22:37:52.789Z"}, "descriptions": [{"lang": "en", "value": "Vim is an open source, command line text editor. Prior to 9.2.0735, the C omni-completion script in runtime/autoload/ccomplete.vim interpolates the typeref: or typename: extension field of a tags entry, without escaping, into a :vimgrep pattern that is run through :execute. Because :vimgrep honors the bar as a command separator, a crafted tag field can close the search pattern and append an arbitrary Ex command; opening a hostile .c file whose project tags file contains such an entry and invoking C omni-completion runs that command as the editing user. This issue is fixed in version 9.2.0735."}], "source": {"advisory": "GHSA-mf92-v4xw-j45x", "discovery": "UNKNOWN"}}}}

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