CVE-2026-114086
Medium
Description
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.
SeverityMedium
CVSS5.3
Exploit probability—
ProductTrigger.dev
PublishedOct 21, 2026
First seenOct 21, 2026
Weakness typeCWE-306Missing authentication for critical function
How to fix
Update
- trigger.dev4.5.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| trigger.devnpm | v < 4.5.5 | 4.5.5 |
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