Auth bypass in Triggerdotdev Trigger.dev
CVE-2026-114086
Trigger.dev before 4.5.5 contains a missing authentication vulnerability in the realtime streams POST handler that allows unauthenticated attackers to inject data into run streams. Attackers can send POST requests to /realtime/v1/streams/:runId/:streamId with a predictable run friendlyId to inject arbitrary data into any environment's realtime stream, including production.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
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
- github.com/triggerdotdev/trigger.dev/security/advisories/GHSA-59h8-w5q6-mfmp (vendor-advisory)
- www.vulncheck.com/advisories/trigger-dev-before-4.5.5-unauthenticated-realtime-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-114086?
- CVE-2026-114086 is a medium-severity vulnerability in Triggerdotdev Trigger.dev, classified under Missing Authentication for Critical Function. CVSS score: 5.3/10. Published 2026-10-21.
- How severe is CVE-2026-114086?
- Medium severity. CVSS v3 base score is 5.3 out of 10.