CVE-2026-5199

🗓️ 01 Apr 2026 18:16:31Reported by [email protected]Type

A writer in a malicious namespace can signal, delete, or reset workflows in another namespace on the same cluster.

Reporter	Title	Published	Views	Family All 27
ATTACKERKB	CVE-2026-5199	1 Apr 202617:49	–	attackerkb
Anthropic	ANT-2026-DJBBBBPE · temporalio/temporal · Broken Access Control	29 Mar 202620:43	–	anthropic
Chainguard	CVE-2026-5199 vulnerabilities	5 Apr 202601:17	–	cgr
CNNVD	Temporal Server 安全漏洞	1 Apr 202600:00	–	cnnvd
CVE	CVE-2026-5199	1 Apr 202617:49	–	cve
Cvelist	CVE-2026-5199 Cross Namespace Access via Batch Operation	1 Apr 202617:49	–	cvelist
EUVD	EUVD-2026-17995	1 Apr 202618:36	–	euvd
Github Security Blog	Temporal Server: attacker-controlled namespace could signal, delete, and reset workflows or activities in a victim namespace on the same cluster	1 Apr 202618:36	–	github
OSV	CGA-RJGW-G66V-4RQ3	4 Apr 202621:15	–	osv
OSV	CLEANSTART-2026-SP73148 Security fixes for CVE-2025-61726, CVE-2025-61728, CVE-2025-61730, CVE-2025-68121, CVE-2026-24051, CVE-2026-25679, CVE-2026-25680, CVE-2026-25681, CVE-2026-26958, CVE-2026-27136, CVE-2026-27139, CVE-2026-27142, CVE-2026-27145, CVE-2026-32280, CVE-2026-32281, CVE-2026-32282, CVE-2026-32283, CVE-2026-32288, CVE-2026-32289, CVE-2026-33186, CVE-2026-33811, CVE-2026-33814, CVE-2026-33815, CVE-2026-33816, CVE-2026-34986, CVE-2026-39820, CVE-2026-39821, CVE-2026-39822, CVE-2026-39823, CVE-2026-39824, CVE-2026-39825, CVE-2026-39826, CVE-2026-39827, CVE-2026-39828, CVE-2026-39829, CVE-2026-39830, CVE-2026-39831, CVE-2026-39832, CVE-2026-39833, CVE-2026-39834, CVE-2026-39835, CVE-2026-39836, CVE-2026-39883, CVE-2026-40890, CVE-2026-41602, CVE-2026-41889, CVE-2026-42499, CVE-2026-42502, CVE-2026-42504, CVE-2026-42505, CVE-2026-42506, CVE-2026-42507, CVE-2026-42508, CVE-2026-46595, CVE-2026-46597, CVE-2026-46598, CVE-2026-5199, CVE-2026-5724 applied in versions: 1.5.1-r0	21 Jul 202606:56	–	osv