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CVE-2026-29783— GitHub Copilot CLI 操作系统命令注入漏洞

一分钟漏洞结论

影响对象
github copilot-cli
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。

GitHub Copilot CLI是GitHub开源的一个终端AI编程助手。 GitHub Copilot CLI 0.0.422及之前版本存在操作系统命令注入漏洞，该漏洞源于shell安全评估存在缺陷，可能导致任意代码执行。

AI 预测 7.8 利用难度: 较易 EPSS 0.51% · P41
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一、 漏洞 CVE-2026-29783 基础信息

漏洞信息
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Vulnerability Title
GitHub Copilot CLI allows for dangerous shell expansion patterns that enable arbitrary command execution
来源: CVE Program / CVE List V5
Vulnerability Description
The shell tool within GitHub Copilot CLI versions prior to and including 0.0.422 can allow arbitrary code execution through crafted bash parameter expansion patterns. An attacker who can influence the commands executed by the agent (e.g., via prompt injection through repository files, MCP server responses, or user instructions) can exploit bash parameter transformation operators to execute hidden commands, bypassing the safety assessment that classifies commands as "read-only." This has been patched in version 0.0.423. The vulnerability stems from how the CLI's shell safety assessment evaluates commands before execution. The safety layer parses and classifies shell commands as either read-only (safe) or write-capable (requires user approval). However, several bash parameter expansion features can embed executable code within arguments to otherwise read-only commands, causing them to appear safe while actually performing arbitrary operations. The specific dangerous patterns are ${var@P}, ${var=value} / ${var:=value}, ${!var}, and nested $(cmd) or <(cmd) inside ${...} expansions. An attacker who can influence command text sent to the shell tool - for example, through prompt injection via malicious repository content (README files, code comments, issue bodies), compromised or malicious MCP server responses, or crafted user instructions containing obfuscated commands - could achieve arbitrary code execution on the user's workstation. This is possible even in permission modes that require user approval for write operations, since the commands can appear to use only read-only utilities to ultimately trigger write operations. Successful exploitation could lead to data exfiltration, file modification, or further system compromise.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
来源: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
来源: CVE Program / CVE List V5
Vulnerability Title
GitHub Copilot CLI 操作系统命令注入漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
GitHub Copilot CLI是GitHub开源的一个终端AI编程助手。 GitHub Copilot CLI 0.0.422及之前版本存在操作系统命令注入漏洞，该漏洞源于shell安全评估存在缺陷，可能导致任意代码执行。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD

受影响产品

厂商 产品 影响版本 CPE 订阅
github copilot-cli <= 0.0.422 -

二、漏洞 CVE-2026-29783 的公开POC

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三、漏洞 CVE-2026-29783 的情报信息

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CVE-2026-29783 厂商安全公告 (1)

CVE-2026-29783 厂商页面 (1)

IV. Related Vulnerabilities

Same product: copilot-cli
Same vendor: github
Same weakness: CWE-78

V. Comments for CVE-2026-29783

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