CVE-2026-73656

critical · 9.9

Trigger.dev is a platform for building and deploying fully managed AI agents and workflows. Prior to 4.5.6, POST /api/v1/deployments/:deploymentId/background-workers calls CreateDeploymentBackgroundWorkerServiceV4.call() in apps/webapp/app/v3/services/createDeploymentBackgroundWorkerV4.server.ts, where workerDeployment.findFirst() selects a deployment by friendlyId without an environmentId predicate. A caller with a valid API key for one project can submit another project's deployment identifier, link an attacker-owned background worker to the victim deployment, and move the victim deployment from BUILDING to DEPLOYING. This issue is fixed in version 4.5.6.

9.9

CVSS

0.5%

EPSS (exploit prob.)

40th

EPSS percentile

2026-08-13

Published

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:H

Weaknesses

CWE-639CWE-862

References

https://github.com/triggerdotdev/trigger.dev/commit/34b1a181c2a1d33a53ebab88f84b05f81fea4254
https://github.com/triggerdotdev/trigger.dev/pull/4199
https://github.com/triggerdotdev/trigger.dev/releases/tag/v4.5.2
https://github.com/triggerdotdev/trigger.dev/security/advisories/GHSA-j6vv-pq9h-f4wj

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-73656