{"schema_version":1,"title":"Temporal Technologies Temporal Server vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 5 vulnerabilities in Temporal Technologies Temporal Server: 3 in the last 7 days and 3 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-89139, was published on 21 September 2026.","url":"https://junglewise.ai/threats/technologies/temporal-server","json_url":"https://junglewise.ai/threats/technologies/temporal-server.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/temporal-server","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":0,"all_time":5,"critical":0,"exploited":0,"last_7_days":3,"last_30_days":3,"last_90_days":3,"last_365_days":5},"latest":[{"cve":"CVE-2026-89139","epss":0.0058,"slug":"cve-2026-89139-temporal-server-compiles-a-worker-controller-instance-module-into","title":"Temporal Server arbitrary command execution via subprocess compute provider","severity":"info","exploited":false,"published_at":"2026-09-21T12:17:24.44+00:00","url":"https://junglewise.ai/threats/cve-2026-89139-temporal-server-compiles-a-worker-controller-instance-module-into"},{"cve":"CVE-2026-16652","epss":0.0027,"slug":"cve-2026-16652-temporal-server-did-not-bound-the-work-performed-while-searching","title":"Temporal Server CPU exhaustion in Schedule search","severity":"info","exploited":false,"published_at":"2026-09-21T12:17:10.4+00:00","url":"https://junglewise.ai/threats/cve-2026-16652-temporal-server-did-not-bound-the-work-performed-while-searching"},{"cve":"CVE-2026-16651","epss":0.0039,"slug":"cve-2026-16651-temporalio-sqlparser-can-panic-when-parse-parsestrictddl-or","title":"temporalio/sqlparser panic in MySQL version comment parsing","severity":"info","exploited":false,"published_at":"2026-09-21T12:17:10.167+00:00","url":"https://junglewise.ai/threats/cve-2026-16651-temporalio-sqlparser-can-panic-when-parse-parsestrictddl-or"},{"cve":"CVE-2026-5724","cvss":4,"epss":0.0067,"slug":"cve-2026-5724-temporal-server-missing-authentication-in-grpc-streaming","title":"Temporal Server missing authentication in gRPC streaming interceptor","severity":"medium","exploited":false,"published_at":"2026-04-10T21:16:28.497+00:00","url":"https://junglewise.ai/threats/cve-2026-5724-temporal-server-missing-authentication-in-grpc-streaming"},{"cve":"CVE-2026-5199","cvss":4,"epss":0.003,"slug":"cve-2026-5199-temporal-server-authorization-bypass-in-batch-workflow-operations","title":"Temporal Server authorization bypass in batch workflow operations","severity":"medium","exploited":false,"published_at":"2026-04-01T18:36:38+00:00","url":"https://junglewise.ai/threats/cve-2026-5199-temporal-server-authorization-bypass-in-batch-workflow-operations"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":3}],"related":[],"technology":{"hub":true,"name":"Temporal Technologies Temporal Server","slug":"temporal-server","vendor":{"name":"Temporal Technologies","slug":"temporal-technologies","url":"https://junglewise.ai/threats/vendors/temporal-technologies"},"aliases":[],"category":"workflow-engine","homepage":"https://temporal.io/","repo_url":"https://github.com/temporalio/temporal","description":"Temporal Server is an open-source orchestration engine used to manage and execute reliable, stateful workflows.","url":"https://junglewise.ai/threats/technologies/temporal-server"},"most_severe":[{"cve":"CVE-2026-5724","cvss":4,"epss":0.0067,"slug":"cve-2026-5724-temporal-server-missing-authentication-in-grpc-streaming","title":"Temporal Server missing authentication in gRPC streaming interceptor","severity":"medium","exploited":false,"published_at":"2026-04-10T21:16:28.497+00:00","url":"https://junglewise.ai/threats/cve-2026-5724-temporal-server-missing-authentication-in-grpc-streaming"},{"cve":"CVE-2026-5199","cvss":4,"epss":0.003,"slug":"cve-2026-5199-temporal-server-authorization-bypass-in-batch-workflow-operations","title":"Temporal Server authorization bypass in batch workflow operations","severity":"medium","exploited":false,"published_at":"2026-04-01T18:36:38+00:00","url":"https://junglewise.ai/threats/cve-2026-5199-temporal-server-authorization-bypass-in-batch-workflow-operations"},{"cve":"CVE-2026-89139","epss":0.0058,"slug":"cve-2026-89139-temporal-server-compiles-a-worker-controller-instance-module-into","title":"Temporal Server arbitrary command execution via subprocess compute provider","severity":"info","exploited":false,"published_at":"2026-09-21T12:17:24.44+00:00","url":"https://junglewise.ai/threats/cve-2026-89139-temporal-server-compiles-a-worker-controller-instance-module-into"},{"cve":"CVE-2026-16651","epss":0.0039,"slug":"cve-2026-16651-temporalio-sqlparser-can-panic-when-parse-parsestrictddl-or","title":"temporalio/sqlparser panic in MySQL version comment parsing","severity":"info","exploited":false,"published_at":"2026-09-21T12:17:10.167+00:00","url":"https://junglewise.ai/threats/cve-2026-16651-temporalio-sqlparser-can-panic-when-parse-parsestrictddl-or"},{"cve":"CVE-2026-16652","epss":0.0027,"slug":"cve-2026-16652-temporal-server-did-not-bound-the-work-performed-while-searching","title":"Temporal Server CPU exhaustion in Schedule search","severity":"info","exploited":false,"published_at":"2026-09-21T12:17:10.4+00:00","url":"https://junglewise.ai/threats/cve-2026-16652-temporal-server-did-not-bound-the-work-performed-while-searching"}],"generated_at":"2026-09-27T03:07:00.185062+00:00"}