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CVE-2026-85674— aider 0.86.2 Remote Code Execution via .aider.conf.yml

Quick assessment

Affected
Aider-AI aider
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

aider（即 aider-chat）会自动从其启动所在的 git 仓库根目录加载名为 的配置文件。一个精心构造的仓库可以设置 （在启动时执行）或 （在首次编辑文件时执行）。aider 通过 shell 执行这些命令（使用 且 ），过程中不需要用户确认、LLM 交互或 API 密钥。因此，当用户在攻击者提供的仓库中克隆并运行 aider 时，便会在其机器上实现任意命令执行。这一行为由来已久，并在最新版本 0.86.3.dev（当前 main 分支）中得到了确认。

CVSS 7.8 · High

Possible ATT&CK Techniques 1 AI

T1059.001 · PowerShell

Affected Version Matrix 1

VendorProduct Version RangeStatus
Aider-AI aider ≤ 0.86.2 affected
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I. Basic Information for CVE-2026-85674

Vulnerability Information
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Vulnerability Title
aider 0.86.2 Remote Code Execution via .aider.conf.yml
Source: CVE Program / CVE List V5
Vulnerability Description
aider (aider-chat) automatically loads a .aider.conf.yml configuration file from the root of the git repository it is launched in. A crafted repository can set test-cmd (executed at startup) or lint-cmd (executed on the first file edit), which aider runs through a shell (subprocess with shell=True) without any user confirmation, LLM interaction, or API key. Consequently, a user who clones and runs aider inside an attacker-supplied repository achieves arbitrary command execution on their machine. The behavior is long-standing and was confirmed on 0.86.3.dev (current main).
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Aider-AI aider 0 ~ 0.86.2 -

II. Public POCs for CVE-2026-85674

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-85674

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Vendor Advisories for CVE-2026-85674 (1)

Proof of Concept for CVE-2026-85674 (2)

IV. Related Vulnerabilities

Same product: aider
Same vendor: Aider-AI
Same weakness: CWE-94

V. Comments for CVE-2026-85674

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