{"id":"CVE-2026-73654","state":"PUBLISHED","title":"Trigger.dev: Prototype pollution via run metadata operations → process-wide cross-tenant DoS","description":"Trigger.dev is a platform for building and deploying fully managed AI agents and workflows. From 3.3.8 until 4.5.6, the PUT /api/v1/runs/:runId/metadata endpoint passes attacker-controlled operation.key values to new JSONHeroPath(operation.key).set(newMetadata, value) in packages/core/src/v3/runMetadata/operations.ts without rejecting dangerous constructor and prototype path segments. A caller with a normal environment API key can pollute Object.prototype in the shared webapp process, corrupting Prisma queries and Prometheus labels, breaking other tenants' worker authentication, and causing a process-wide denial of service. This issue is fixed in version 4.5.6.","publishedAt":"2026-08-13T19:29:05.537Z","updatedAt":"2026-08-14T16:34:05.435Z","severity":{"score":8.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["triggerdotdev trigger.dev"],"affected":[{"vendor":"triggerdotdev","product":"trigger.dev","versions":[{"version":">= 3.3.8, < 4.5.6","status":"affected"}]}],"references":["https://github.com/triggerdotdev/trigger.dev/security/advisories/GHSA-p28v-f755-9qrg","https://github.com/triggerdotdev/trigger.dev/pull/4316","https://github.com/triggerdotdev/trigger.dev/commit/6997aeb05e27d2db47f9eda01fdc8a17c81a1ae0","https://github.com/triggerdotdev/trigger.dev/releases/tag/v4.5.6"],"weaknesses":["CWE-1321"],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/73xxx/CVE-2026-73654.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-73654","state":"PUBLISHED","datePublished":"2026-08-13T19:29:05.537Z","dateUpdated":"2026-08-14T16:34:05.435Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-08-13T14:04:09.604Z"},"containers":{"cna":{"title":"Trigger.dev: Prototype pollution via run metadata operations → process-wide cross-tenant DoS","descriptions":[{"lang":"en","value":"Trigger.dev is a platform for building and deploying fully managed AI agents and workflows. From 3.3.8 until 4.5.6, the PUT /api/v1/runs/:runId/metadata endpoint passes attacker-controlled operation.key values to new JSONHeroPath(operation.key).set(newMetadata, value) in packages/core/src/v3/runMetadata/operations.ts without rejecting dangerous constructor and prototype path segments. A caller with a normal environment API key can pollute Object.prototype in the shared webapp process, corrupting Prisma queries and Prometheus labels, breaking other tenants' worker authentication, and causing a process-wide denial of service. This issue is fixed in version 4.5.6."}],"affected":[{"vendor":"triggerdotdev","product":"trigger.dev","versions":[{"version":">= 3.3.8, < 4.5.6","status":"affected"}]}],"references":[{"url":"https://github.com/triggerdotdev/trigger.dev/security/advisories/GHSA-p28v-f755-9qrg","name":"https://github.com/triggerdotdev/trigger.dev/security/advisories/GHSA-p28v-f755-9qrg","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/triggerdotdev/trigger.dev/pull/4316","name":"https://github.com/triggerdotdev/trigger.dev/pull/4316","tags":["x_refsource_MISC"]},{"url":"https://github.com/triggerdotdev/trigger.dev/commit/6997aeb05e27d2db47f9eda01fdc8a17c81a1ae0","name":"https://github.com/triggerdotdev/trigger.dev/commit/6997aeb05e27d2db47f9eda01fdc8a17c81a1ae0","tags":["x_refsource_MISC"]},{"url":"https://github.com/triggerdotdev/trigger.dev/releases/tag/v4.5.6","name":"https://github.com/triggerdotdev/trigger.dev/releases/tag/v4.5.6","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1321","lang":"en","description":"CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-08-13T19:29:05.537Z"},"source":{"advisory":"GHSA-p28v-f755-9qrg","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/triggerdotdev/trigger.dev/security/advisories/GHSA-p28v-f755-9qrg","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-14T16:33:32.438291Z","id":"CVE-2026-73654","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-14T16:34:05.435Z"}}]}}}