Auth bypass in Trigger.dev Cli-V3

CVE-2026-114090

Trigger.dev cli-v3 from 3.0.0 before 4.5.4 contains a missing authentication vulnerability in the trigger dev --mcp server, which binds all network interfaces and exposes the /sse and /messages endpoints. LAN attackers or malicious web pages can send MCP tools/call requests to invoke trigger-task, cancel-run, list-runs, and get-run-logs using the developer's stored access token.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-114090?
CVE-2026-114090 is a high-severity vulnerability in Trigger.dev Cli-V3, classified under Missing Authentication for Critical Function. CVSS score: 7.1/10. Published 2026-10-21.
How severe is CVE-2026-114090?
High severity. CVSS v3 base score is 7.1 out of 10.