CVE-2026-115726
Aider through 0.86.2 Command Execution via Repository .aider.conf.yml Settings
- State
- Published
- Severity
- 8.5 High
- Published
- Oct 23, 2026
- Updated
- Oct 29, 2026
- Reserved
- Oct 23, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.5 High | CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 7.8 High | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Affected Products
| Product | Versions |
|---|---|
aiderAider-AI |
|
References
- https://github.com/Aider-AI/aider/issues/5885issue-tracking
- https://github.com/Aider-AI/aider/blob/v0.86.2/aider/io.py#L1088-L1094technical-description
- https://github.com/Aider-AI/aider/blob/v0.86.2/aider/editor.py#L89-L134technical-description
- https://github.com/Aider-AI/aider/blob/v0.86.2/aider/main.py#L464-L479technical-description
- VulnCheck Advisory: Aider through 0.86.2 Command Execution via Repository .aider.conf.yml Settingsthird-party-advisory
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