CVE-2026-46483

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{"affected": [{"affectedData": [{"product": "vim", "vendor": "vim", "versions": [{"status": "affected", "version": "< 9.2.479"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:vim:vim:*:*:*:*:*:*:*:*", "matchCriteriaId": "C2F4B493-EBAC-478F-A516-79904103584C", "versionEndExcluding": "9.2.0479", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Vim is an open source, command line text editor. Prior to 9.2.0479, a command injection vulnerability exists in tar#Vimuntar() in\nruntime/autoload/tar.vim when decompressing .tgz archives on Unix-like systems. The function builds :!gunzip and :!gzip -d commands using shellescape(tartail) without the {special} flag, allowing a crafted archive filename to trigger Vim cmdline-special expansion and execute shell commands in the user's context. This vulnerability is fixed in 9.2.0479."}, {"lang": "es", "value": "Vim es un editor de texto de c\u00f3digo abierto y de l\u00ednea de comandos. Antes de la versi\u00f3n 9.2.0479, existe una vulnerabilidad de inyecci\u00f3n de comandos en tar#Vimuntar() en runtime/autoload/tar.vim al descomprimir archivos .tgz en sistemas tipo Unix. La funci\u00f3n construye los comandos :!gunzip y :!gzip -d utilizando shellescape(tartail) sin la bandera {special}, lo que permite que un nombre de archivo malintencionado active la expansi\u00f3n especial de la l\u00ednea de comandos de Vim (cmdline-special expansion) y ejecute comandos de shell en el contexto del usuario. Esta vulnerabilidad se corrigi\u00f3 en la versi\u00f3n 9.2.0479."}], "id": "CVE-2026-46483", "lastModified": "2026-11-11T20:10:00.273", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 3.6, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 2.5, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.0, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-46483", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-05-15T15:56:10.744324Z", "version": "2.0.3"}}]}, "published": "2026-05-15T15:16:54.237", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/vim/vim/commit/3fb5e58fbc63d86a3e65f1a141b0d67af2aa38a1"}, {"source": "security-advisories@github.com", "tags": ["Product"], "url": "https://github.com/vim/vim/releases/tag/v9.2.0479"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://github.com/vim/vim/security/advisories/GHSA-2fpv-9ff7-xg5w"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}, {"lang": "en", "value": "CWE-88"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "vim: command injection when decompressing .tgz archives", "id": "2477915", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2477915"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-78", "details": ["A flaw was found in Vim. When decompressing .tgz archives, the Vimuntar function builds shell commands using shellescape() without the {special} flag. This allows a specially crafted archive filename to trigger Vim cmdline-special expansion and execute arbitrary commands in the context of the current user."], "mitigation": {"lang": "en:us", "value": "To mitigate this vulnerability, do not decompress untrusted .tgz archives with the Vimuntar command. Use 'tar -x -z -f' directly, instead."}, "name": "CVE-2026-46483", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "vim", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Affected", "package_name": "vim", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "vim", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "vim", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "vim", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Affected", "package_name": "rhcos", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-05-15T14:57:31Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-46483\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-46483\nhttps://github.com/vim/vim/commit/3fb5e58fbc63d86a3e65f1a141b0d67af2aa38a1\nhttps://github.com/vim/vim/releases/tag/v9.2.0479\nhttps://github.com/vim/vim/security/advisories/GHSA-2fpv-9ff7-xg5w"], "statement": "To exploit this issue, an attacker needs to convince a user to decompress a .tgz archive with a specially crafted filename. Additionally, possible arbitrary command execution is restricted to the context of the user running Vim. These conditions limit the exposure of this vulnerability and the potential of a full system compromise. Due to these reasons, this flaw has been rated with a moderate severity.", "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,9.2.479)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "vim", "source": "cna", "vendor": "vim"}, "product": "vim", "vendor": "vim"}], "created": "2026-05-15T16:30:03.658149+00:00", "updated": "2026-05-15T16:30:03.913039+00:00", "vendors": ["vim", "vim$PRODUCT$vim"]}