{"id":"CVE-2026-46716","state":"PUBLISHED","title":"Nezha Monitoring: RoleMember can run shell on every server (cross-tenant RCE) via POST /api/v1/cron","description":"Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool. From version 1.4.0 to before version 2.0.8, a RoleMember user can create a scheduled cron task with Cover=CronCoverAll, Servers=[] and an arbitrary Command. At every tick of the scheduler, the dashboard pushes that command to every server in the global ServerShared map — including servers that belong to other tenants (admin's servers, other members' servers). Each agent runs the command and returns the output, which is then sent to the attacker's own NotificationGroup → attacker-controlled webhook. This issue has been patched in version 2.0.8.","publishedAt":"2026-06-12T21:00:46.700Z","updatedAt":"2026-06-15T19:27:36.716Z","severity":{"score":9.9,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["nezhahq nezha"],"affected":[{"vendor":"nezhahq","product":"nezha","versions":[{"version":">= 1.4.0, < 2.0.8","status":"affected"}]}],"references":["https://github.com/nezhahq/nezha/security/advisories/GHSA-99gv-2m7h-3hh9"],"weaknesses":["CWE-78","CWE-269","CWE-862"],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/46xxx/CVE-2026-46716.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46716","state":"PUBLISHED","datePublished":"2026-06-12T21:00:46.700Z","dateUpdated":"2026-06-15T19:27:36.716Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-05-15T23:26:58.310Z"},"containers":{"cna":{"title":"Nezha Monitoring: RoleMember can run shell on every server (cross-tenant RCE) via POST /api/v1/cron","descriptions":[{"lang":"en","value":"Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool. From version 1.4.0 to before version 2.0.8, a RoleMember user can create a scheduled cron task with Cover=CronCoverAll, Servers=[] and an arbitrary Command. At every tick of the scheduler, the dashboard pushes that command to every server in the global ServerShared map — including servers that belong to other tenants (admin's servers, other members' servers). Each agent runs the command and returns the output, which is then sent to the attacker's own NotificationGroup → attacker-controlled webhook. This issue has been patched in version 2.0.8."}],"affected":[{"vendor":"nezhahq","product":"nezha","versions":[{"version":">= 1.4.0, < 2.0.8","status":"affected"}]}],"references":[{"url":"https://github.com/nezhahq/nezha/security/advisories/GHSA-99gv-2m7h-3hh9","name":"https://github.com/nezhahq/nezha/security/advisories/GHSA-99gv-2m7h-3hh9","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.9,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-78","lang":"en","description":"CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-269","lang":"en","description":"CWE-269: Improper Privilege Management","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":"2026-06-12T21:00:46.700Z"},"source":{"advisory":"GHSA-99gv-2m7h-3hh9","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/nezhahq/nezha/security/advisories/GHSA-99gv-2m7h-3hh9","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-15T17:06:02.929846Z","id":"CVE-2026-46716","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-15T19:27:36.716Z"}}]}}}