Medium 5.3Published Oct 21, 2026

CVE-2026-114086Trigger.dev before 4.5.5 Unauthenticated Realtime Stream Data Injection via Streams Endpoint

Updated under an hour ago (2026-10-22 05:50 UTC)

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It affects triggerdotdev trigger.dev. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for triggerdotdev trigger.dev

Exploited in the last 30 days

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.

CVSS: 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Weakness (CWE): CWE-306
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Oct 21, 2026
First seen by InfoSec Signals: Oct 21, 2026

Affected products

Affected products

triggerdotdev trigger.dev triggerdotdev:trigger.dev (from the name)	before 4.5.5; 4.5.5 not affected	CNA record

References

https://github.com/triggerdotdev/trigger.dev/security/advisories/GHSA-59h8-w5q6-mfmpvendor-advisory
https://www.vulncheck.com/advisories/trigger-dev-before-4.5.5-unauthenticated-realtime-stream-data-injection-via-streams-endpointthird-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.