CVE-2026-115726

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.

CVSS 4.0

8.5CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

7.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.2% chance of exploitation in the next 30 days; higher than 5% of CVEs (scores of 2026-10-25)

CWE

CWE-78

Published

2026-10-23

Modified

2026-10-23

Record from

the NVD, synced 2026-10-24

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

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