RCE in Disler Aider-Mcp-Server
CVE-2026-7157
A flaw has been found in disler aider-mcp-server up to b2516fa466d0d851932da92ee6d0e66946db9efc. Affected by this vulnerability is an unknown functionality of the file src/aider_mcp_server/server.py of the component aider_ai_code. This manipulation of the argument relative_editable_files causes command injection. Remote exploitation of the attack is possible. The exploit has been published and may be used. This product follows a rolling release approach for continuous delivery, so version details for affected or updated releases are not provided. The project was informed of the problem early through an issue report but has not responded yet.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.021 (80.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.021 · change: +0.007
Affected products
- Disler Aider-Mcp-Server — versions b2516fa466d0d851932da92ee6d0e66946db9efc
Weakness classification (CWE)
References
- vuldb.com/vuln/359756 (technical-description, vdb-entry)
- vuldb.com/vuln/359756/cti (signature, permissions-required)
- vuldb.com/submit/802061 (third-party-advisory)
- github.com/disler/aider-mcp-server/issues/16 (issue-tracking, exploit)
- github.com/disler/aider-mcp-server/ (product)
Frequently asked questions
- What is CVE-2026-7157?
- CVE-2026-7157 is a high-severity vulnerability in Disler Aider-Mcp-Server, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.3/10. Published 2026-04-27.
- How severe is CVE-2026-7157?
- High severity. CVSS v3 base score is 7.3 out of 10.