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…

EPSS: 0.003 (55.1th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

References

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.