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TI-2026-78699 Aliases CVE-2026-114086

Trigger.dev realtime streams accept unauthenticated data injection

Priority HIGH 70CWE-306Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-306.

Summary

Trigger.dev before 4.5.5 is affected by a missing authentication flaw (CWE-306) in the realtime streams POST handler. An unauthenticated remote attacker can inject arbitrary data into run streams by using a predictable run friendlyId. The injected data can reach any environment's realtime stream, including production.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00384 32nd percentileScored 2026-11-07
Fix Fixed trigger.dev (triggerdotdev): 4.5.5

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
triggerdotdevtrigger.devbefore 4.5.54.5.5Patch availableCNA
  • trigger.dev Vendortriggerdotdev Affected before 4.5.5 Fixed in 4.5.5 Patch available CNA

Remediation

Upgrade Trigger.dev to 4.5.5, which fixes the flaw. Versions before 4.5.5 are affected.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

  • Fix · CNA trigger.dev (triggerdotdev) Fixed in 4.5.5

Timeline

  1. 2026-10-21 Threatist record created from CVE-2026-114086
  2. 2026-10-22 Priority changed: MEDIUM → LOW
  3. 2026-10-28 CISA SSVC decision points changed
  4. 2026-10-28 Priority changed: LOW → HIGH

References

Advisory 1

  • TI-2026-78700 Hardcoded default secrets in Trigger.dev enable authentication bypass CVSS 4.0CRITICAL 9.2
  • TI-2026-78702 Cross-site request forgery in Trigger.dev CLI leads to token theft CVSS 4.0HIGH 8.7
  • TI-2026-78696 Trigger.dev Path Traversal in Packets Presigned URL Endpoints CVSS 4.0HIGH 8.6
  • TI-2026-78682 Improper authorization in Trigger.dev exposes root API key via envvars endpoint CVSS 4.0HIGH 8.6
  • TI-2026-51742 Trigger.dev: Cross-tenant object store read and write via URL path traversal CVSS 3.1HIGH 8.2
  • TI-2026-51743 Trigger.dev: Cross-tenant object read/write via path traversal in packet presign API CVSS 3.1HIGH 8.1
See all 36 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences