{"id":"CVE-2026-73656","state":"PUBLISHED","title":"Trigger.dev: Cross-project deployment worker registration can modify another project's deployment state","description":"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.","publishedAt":"2026-08-13T19:56:04.286Z","updatedAt":"2026-08-14T18:08:12.877Z","severity":{"score":9.9,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["triggerdotdev trigger.dev"],"affected":[{"vendor":"triggerdotdev","product":"trigger.dev","versions":[{"version":"< 4.5.2","status":"affected"}]}],"references":["https://github.com/triggerdotdev/trigger.dev/security/advisories/GHSA-j6vv-pq9h-f4wj","https://github.com/triggerdotdev/trigger.dev/pull/4199","https://github.com/triggerdotdev/trigger.dev/commit/34b1a181c2a1d33a53ebab88f84b05f81fea4254","https://github.com/triggerdotdev/trigger.dev/releases/tag/v4.5.2"],"weaknesses":["CWE-639","CWE-862"],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/73xxx/CVE-2026-73656.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-73656","state":"PUBLISHED","datePublished":"2026-08-13T19:56:04.286Z","dateUpdated":"2026-08-14T18:08:12.877Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-08-13T14:04:09.605Z"},"containers":{"cna":{"title":"Trigger.dev: Cross-project deployment worker registration can modify another project's deployment state","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"triggerdotdev","product":"trigger.dev","versions":[{"version":"< 4.5.2","status":"affected"}]}],"references":[{"url":"https://github.com/triggerdotdev/trigger.dev/security/advisories/GHSA-j6vv-pq9h-f4wj","name":"https://github.com/triggerdotdev/trigger.dev/security/advisories/GHSA-j6vv-pq9h-f4wj","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/triggerdotdev/trigger.dev/pull/4199","name":"https://github.com/triggerdotdev/trigger.dev/pull/4199","tags":["x_refsource_MISC"]},{"url":"https://github.com/triggerdotdev/trigger.dev/commit/34b1a181c2a1d33a53ebab88f84b05f81fea4254","name":"https://github.com/triggerdotdev/trigger.dev/commit/34b1a181c2a1d33a53ebab88f84b05f81fea4254","tags":["x_refsource_MISC"]},{"url":"https://github.com/triggerdotdev/trigger.dev/releases/tag/v4.5.2","name":"https://github.com/triggerdotdev/trigger.dev/releases/tag/v4.5.2","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.9,"baseSeverity":"CRITICAL","confidentialityImpact":"LOW","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-639","lang":"en","description":"CWE-639: Authorization Bypass Through User-Controlled Key","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-862","lang":"en","description":"CWE-862: Missing Authorization","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-08-13T19:56:04.286Z"},"source":{"advisory":"GHSA-j6vv-pq9h-f4wj","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-14T17:39:26.480979Z","id":"CVE-2026-73656","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-14T18:08:12.877Z"}}]}}}