Vulnerability · Published Sep 4, 2026 · Assigned by VulnCheck

CVE-2026-85651Trigger.dev before 4.5.2 Unauthorized Environment Access via Run Replay

High 8.5

In plain English

A high-severity missing authorization in trigger.dev from triggerdotdev. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 42% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.5High

Exploit odds (30 days)0.5%top 58.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Trigger.dev versions before 4.5.2 fail to validate environment membership during run replay operations, allowing authenticated attackers to inject task runs into arbitrary environments. Attackers can replay their own runs into other organizations' or projects' environments to consume victim resources and pollute run history.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
npm	trigger.dev	4.5.2	GHSA-qxpp-qjg8-x4jv

Affected products (as reported)

Vendor	Product	Versions
triggerdotdev	trigger.dev	0 – before 4.5.2

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:L

References

GitHub Issue #4173 issue-tracking
https://github.com/triggerdotdev/trigger.dev product
https://github.com/triggerdotdev/trigger.dev/commit/34b1a181c2a1d33a53ebab88f84b05f81fea4254 patch
Trigger.dev v4.5.2 Release Notes release-notes
GitHub Security Advisory (GHSA-qxpp-qjg8-x4jv) vendor-advisory
VulnCheck Advisory: Trigger.dev before 4.5.2 Unauthorized Environment Access via Run Replay third-party-advisory