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github.com | vulnerability | High | | Original ↗ | .md | #rce | #supply-chain | #poc | #command-injection
EQSTLab released a verified exploit PoC and Docker lab for CVE-2026-6951, a high-severity RCE vulnerability in the Node.js library simple-git. Due to an incomplete fix for CVE-2022-25912, long-form --config options and GIT_CONFIG_* environment variables were not properly blocked. By configuring protocol.ext.allow=always alongside an ext:: protocol repository URL during clone operations, attackers can execute arbitrary shell commands on the host. Affects simple-git prior to 3.36.0.
Why it matters: simple-git is downloaded tens of millions of times monthly across CI/CD and developer tools; services exposing Git clone/import features to untrusted input face direct server compromise.