CVE-2026-85674

    Dashboard / Vulnerabilities / CVE-2026-85674

    CVE-2026-85674

    Published: 4 Sept 2026Last Modified: 12 Sept 2026

    Summary: aider 0.86.2 Remote Code Execution via .aider.conf.yml

    Details: aider (aider-chat) automatically loads a .aider.conf.yml configuration file from the root of the git repository it is launched in. A crafted repository can set test-cmd (executed at startup) or lint-cmd (executed on the first file edit), which aider runs through a shell (subprocess with shell=True) without any user confirmation, LLM interaction, or API key. Consequently, a user who clones and runs aider inside an attacker-supplied repository achieves arbitrary command execution on their machine. The behavior is long-standing and was confirmed on 0.86.3.dev (current main).

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/85xxx/CVE-2026-85674.json, https://nvd.nist.gov/vuln/detail/CVE-2026-85674, https://www.vulncheck.com/advisories/aider-0.86.2-remote-code-execution-via-aider-conf-yml, https://github.com/Aider-AI/aider/issues/5254, https://github.com/Aider-AI/aider, https://github.com/Aider-AI/aider/blob/v0.86.2/aider/main.py

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    v0.86.2.dev
    v0.86.1
    v0.86.1.dev
    v0.86.0

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2026-85674 | CVE-DB