{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-46717: Nezha Monitoring: RoleMember-reachable SSRF with full response-body reflection via POST /api/v1/notification","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-46717","status":"final","version":"1","initial_release_date":"2026-06-12T21:02:40.951Z","current_release_date":"2026-06-13T03:38:33.513Z","revision_history":[{"date":"2026-06-12T21:02:40.951Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"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, nezha's dashboard supports two user roles: RoleAdmin (Role==0) and RoleMember (Role==1). The notification routes POST /api/v1/notification and PATCH /api/v1/notification/:id are wired through commonHandler rather than adminHandler — so a RoleMember user can call them. These handlers synchronously Send() an HTTP request to a user-controlled URL and reflect the entire response body (no size limit) back to the caller on any non-2xx response. This issue has been patched in version 2.0.8.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-46717 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-46717"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-46717"},{"category":"external","summary":"https://github.com/nezhahq/nezha/security/advisories/GHSA-w4g9-mxgg-j532","url":"https://github.com/nezhahq/nezha/security/advisories/GHSA-w4g9-mxgg-j532"}]},"product_tree":{"branches":[{"category":"vendor","name":"nezhahq","branches":[{"category":"product_name","name":"nezha","branches":[{"category":"product_version","name":">= 1.4.0, < 2.0.8","product":{"name":"nezhahq nezha >= 1.4.0, < 2.0.8","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:nezhahq:nezha:\\>\\=_1.4.0\\,_\\<_2.0.8:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-46717","title":"Nezha Monitoring: RoleMember-reachable SSRF with full response-body reflection via POST /api/v1/notification","notes":[{"category":"description","text":"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, nezha's dashboard supports two user roles: RoleAdmin (Role==0) and RoleMember (Role==1). The notification routes POST /api/v1/notification and PATCH /api/v1/notification/:id are wired through commonHandler rather than adminHandler — so a RoleMember user can call them. These handlers synchronously Send() an HTTP request to a user-controlled URL and reflect the entire response body (no size limit) back to the caller on any non-2xx response. This issue has been patched in version 2.0.8.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1"]},"scores":[{"cvss_v3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","baseScore":7.7,"baseSeverity":"HIGH"},"products":["CSAFPID-1"]}],"remediations":[{"category":"none_available","details":"No fixed version is published yet. Monitor the upstream advisory.","product_ids":["CSAFPID-1"]}]}]}