CVE-2026-77084

Summary

n8n before 1.123.69 (and 2.x before 2.33.4 / 2.34.1) contains a code execution vulnerability in the Git node. The Git node executed certain repository-local git configuration values without neutralizing them, so any subsequent Git node operation against a repository containing a malicious value would execute it as the n8n process user. This is not reachable through the Git node's own configuration controls and requires a separate file-write vulnerability elsewhere to plant the malicious value.

Affected Software

Weaknesses

• CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

References

• https://github.com/n8n-io/n8n/security/advisories/GHSA-m87g-qr43-ccvc
• https://www.vulncheck.com/advisories/n8n-before-remote-code-execution-via-git-node-configuration-values

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