---
id: CVE-2026-115726
title: Aider through 0.86.2 Command Execution via Repository .aider.conf.yml Settings
summary: >-
  Aider through 0.86.2 contains a command execution vulnerability that allows
  attackers to run shell commands by committing a malicious .aider.conf.yml that
  is auto-loaded without a trust prompt. Attackers can set notifications-command
  or …
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-78
vendor: Aider-AI
product: aider
affected:
  - aider <= 0.86.2
published: '2026-10-23'
updated: '2026-10-23'
sourceUpdated: '2026-10-23T11:36:49.084Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-115726'
references:
  - url: 'https://github.com/Aider-AI/aider/issues/5885'
  - url: 'https://github.com/Aider-AI/aider/blob/v0.86.2/aider/io.py#L1088-L1094'
  - url: 'https://github.com/Aider-AI/aider/blob/v0.86.2/aider/editor.py#L89-L134'
  - url: 'https://github.com/Aider-AI/aider/blob/v0.86.2/aider/main.py#L464-L479'
  - url: >-
      https://www.vulncheck.com/advisories/aider-through-0.86.2-command-execution-via-repository-aider-conf-yml-settings
    label: >-
      VulnCheck Advisory: Aider through 0.86.2 Command Execution via Repository
      .aider.conf.yml Settings
tags:
  - cve.org
ingestedAt: '2026-10-23T13:24:55.588Z'
---

## Overview

Aider through 0.86.2 contains a command execution vulnerability that allows attackers to run shell commands by committing a malicious .aider.conf.yml that is auto-loaded without a trust prompt. Attackers can set notifications-command or editor values that are executed via subprocess with shell=True after model replies or /editor use, running commands with the victim's privileges.

## Affected

- `aider <= 0.86.2`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.