CVE-2026-85674Public exploitHinoki check available

Arbitrary command execution via repository configuration

Published Sep 4, 2026 · Updated Sep 4, 2026

Code injection in Aider 0.86.2 and earlier allows attackers to execute arbitrary commands through a crafted repository configuration. Aider loads .aider.conf.yml from the Git root and passes test-cmd at startup or lint-cmd after the first edit to subprocess with shell=True without confirmation. Execution requires a local user to clone and run Aider inside the crafted repository, and commands run with that user's privileges.

CVSS severity8.5
High
EPSS probability0.16%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkAvailable
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Summary

What happened

Code injection in Aider 0.86.2 and earlier allows attackers to execute arbitrary commands through a crafted repository configuration. Aider loads .aider.conf.yml from the Git root and passes test-cmd at startup or lint-cmd after the first edit to subprocess with shell=True without confirmation. Execution requires a local user to clone and run Aider inside the crafted repository, and commands run with that user's privileges.

The record

CVE
CVE-2026-85674
Published
Sep 4, 2026
Updated
Sep 4, 2026
Vendor
Aider-AI
Product
Aider
Classifications
CWE-94, T1059, T1204.002
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 4, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 4, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=0.86.2

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Aider-AI · Aiderversion=0 <=0.86.2

Published CVSS scores

8.5GitHub Advisory DatabaseCVSS: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 describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-94Improper Control of Generation of Code ('Code Injection')
T1059Command and Scripting Interpreter
T1204.002User Execution: Malicious File

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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