CVE-2026-114086 Trigger.dev before 4.5.5 Unauthenticated Realtime Stream Data Injection via Streams Endpoint
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-114086?
CVE-2026-114086 is a medium-severity vulnerability in triggerdotdev trigger.dev, published on 21 Oct 2026.
Official 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.
Weakness: CWE-306
Which versions are affected by CVE-2026-114086?
2 open source packages ship an affected version, including trigger.dev.
| Package | Affected | Fixed in |
|---|---|---|
trigger.dev npm | All versions | 4.5.5 |
trigger.dev npm | All versions | 4.5.5 |
How do I fix CVE-2026-114086?
Upgrade trigger.dev to 4.5.5 or later.
Is CVE-2026-114086 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-114086 exists.
Sources
Also known as GHSA-59h8-w5q6-mfmp, GHSA-h43q-m2j9-rjvp, MINI-rr9q-856q-4fmj.