CVE-2026-115726

HIGH 7.8

Aider through 0.86.2 Command Execution via Repository .aider.conf.yml Settings

CVSS Score

7.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-78
Vendor	aider-ai
Product	aider
Published	Oct 23, 2026

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CVSS v3 Breakdown

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

Aider-AI / aider

0 ≤ 0.86.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

Seoyoung Lee