Vulnerability · Published Oct 23, 2026 · Assigned by VulnCheck
CVE-2026-115726Aider through 0.86.2 Command Execution via Repository .aider.conf.yml Settings
High 7.8
In plain English
A high-severity OS command injection in aider from Aider-AI. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities).
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.3%top 79.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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 products (as reported)
Weakness: CWE-78 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
References
- https://github.com/Aider-AI/aider/issues/5885 issue-tracking
- https://github.com/Aider-AI/aider/blob/v0.86.2/aider/io.py#L1088-L1094 technical-description
- https://github.com/Aider-AI/aider/blob/v0.86.2/aider/editor.py#L89-L134 technical-description
- https://github.com/Aider-AI/aider/blob/v0.86.2/aider/main.py#L464-L479 technical-description
- VulnCheck Advisory: Aider through 0.86.2 Command Execution via Repository .aider.conf.yml Settings third-party-advisory