Medium severity5.3NVD Advisory· Published Oct 21, 2026· Updated Oct 21, 2026

CVE-2026-114086

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

Triggerdotdev/trigger.devllm-fuzzy
Range: <4.5.5

Patches

Vulnerability mechanics

References

github.com/triggerdotdev/trigger.dev/security/advisories/GHSA-59h8-w5q6-mfmpnvd
www.vulncheck.com/advisories/trigger-dev-before-4.5.5-unauthenticated-realtime-stream-data-injection-via-streams-endpointnvd

News mentions

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cvss	0.345
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000