RCE in Aider-Ai Aider
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.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/Aider-AI/aider/issues/5885 (issue-tracking)
- github.com/Aider-AI/aider/blob/v0.86.2/aider/io.py (technical-description)
- github.com/Aider-AI/aider/blob/v0.86.2/aider/editor.py (technical-description)
- github.com/Aider-AI/aider/blob/v0.86.2/aider/main.py (technical-description)
- www.vulncheck.com/advisories/aider-through-0.86.2-command-execution-via-reposit… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-115726?
- CVE-2026-115726 is a high-severity vulnerability in Aider-Ai Aider, classified under OS Command Injection. CVSS score: 7.8/10. Published 2026-10-23.
- How severe is CVE-2026-115726?
- High severity. CVSS v3 base score is 7.8 out of 10.