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CVE-2026-6951 is a remote code execution vulnerability in the simple-git npm package affecting versions prior to 3.36.0. The issue is caused by an incomplete fix for CVE-2022-25912 in simple-git’s argument filtering before invoking the underlying git binary. The earlier protection blocked Git’s short-form configuration flag (-c) but failed to block the equivalent long-form flag (--config). As a result, if untrusted input is passed into simple-git options or customArgs, an attacker can supply malicious Git configuration overrides such as --config protocol.ext.allow=always and pair them with an ext:: clone source. Git then interprets the injected configuration and ext:: transport in a way that can execute arbitrary shell commands with the privileges of the Node.js process running simple-git.
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No public exploit code observed for this vulnerability.
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10 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A remote code execution vulnerability in simple-git before version 3.36.0 caused by an incomplete fix for a prior issue, allowing attackers to abuse the --config form and ext:: clone source when untrusted input reaches the options argument.
A critical remote code execution vulnerability in the simple-git npm package that allows attackers to bypass prior argument filtering protections by using the --config flag instead of -c to inject dangerous git configuration and achieve arbitrary command execution via the ext:: protocol.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.