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OpenAdvisories
Medium · 5.3 CVE-2026-114086 EUVD-2026-106889GHSA-59h8-w5q6-mfmpGHSA-h43q-m2j9-rjvp

Trigger.dev before 4.5.5 Unauthenticated Realtime Stream Data Injection via Streams Endpoint

Published Oct 21, 2026 · Updated Oct 28, 2026 · Assigned by VulnCheck

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.

Affected products

VendorProductAffectedFixed
triggerdotdev trigger.dev < 4.5.5 4.5.5

Affected packages

EcosystemPackageAffectedFixedRecord
npm trigger.dev < 4.5.5 4.5.5 GHSA-59h8-w5q6-mfmp

References