CVE-2026-115726

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.

References

• https://github.com/Aider-AI/aider/blob/v0.86.2/aider/editor.py#L89-L134
• https://github.com/Aider-AI/aider/blob/v0.86.2/aider/io.py#L1088-L1094
• https://github.com/Aider-AI/aider/blob/v0.86.2/aider/main.py#L464-L479
• https://github.com/Aider-AI/aider/issues/5885
• https://www.vulncheck.com/advisories/aider-through-0.86.2-command-execution-via-repository-aider-conf-yml-settings