RCE in Avinashbole Quip-Mcp-Server
CVE-2026-4192
A vulnerability has been found in AvinashBole quip-mcp-server 1.0.0. Affected by this vulnerability is the function setupToolHandlers of the file src/index.ts. Such manipulation leads to command injection. The attack may be performed from remote. The exploit has been disclosed to the public and may be used. 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 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.018 (77.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.018 · change: +0.004
Affected products
- Avinashbole Quip-Mcp-Server — versions 1.0.0
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, vdb-entry)
- vuldb.com/ (signature, permissions-required)
- vuldb.com/ (third-party-advisory)
- github.com/AvinashBole/quip-mcp-server/issues/4 (issue-tracking)
- github.com/user-attachments/files/25716541/quip-mcp-server_security_advisory.pdf (exploit)
- github.com/AvinashBole/quip-mcp-server/ (product)
Frequently asked questions
- What is CVE-2026-4192?
- CVE-2026-4192 is a medium-severity vulnerability in Avinashbole Quip-Mcp-Server, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-03-16.
- How severe is CVE-2026-4192?
- Medium severity. CVSS v3 base score is 6.3 out of 10.