{"id":"CVE-2026-111386","title":"Nezha 1.7.0 before 2.3.15 Cross-Tenant Server-ID Enumeration via getServerConfig","summary":"Nezha from 1.7.0 before 2.3.15 contains an information disclosure vulnerability that allows authenticated members to enumerate other tenants' server IDs through differential responses. Attackers can sweep sequential IDs against getServer…","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","cvssSource":"cna","cwe":["CWE-204"],"vendor":"nezhahq","product":"nezha","affected":["nezha >= 1.7.0 < 2.3.15"],"published":"2026-10-16","updated":"2026-10-16","sourceUpdated":"2026-10-16T01:17:54.995Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111386","references":[{"url":"https://github.com/nezhahq/nezha/security/advisories/GHSA-228w-p4h4-6rvw","label":"GitHub Security Advisory (GHSA-228w-p4h4-6rvw)"},{"url":"https://github.com/nezhahq/nezha/commit/36b742a7e9a81ed782363dd19efd77b7030fbd0f","label":"Patch Commit"},{"url":"https://www.vulncheck.com/advisories/nezha-1.7.0-before-2.3.15-cross-tenant-server-id-enumeration-via-getserverconfig","label":"VulnCheck Advisory: Nezha 1.7.0 before 2.3.15 Cross-Tenant Server-ID Enumeration via getServerConfig"}],"tags":["cve.org"],"ingestedAt":"2026-10-16T01:55:57.990Z","slug":"CVE-2026-111386","body":"## Overview\n\nNezha from 1.7.0 before 2.3.15 contains an information disclosure vulnerability that allows authenticated members to enumerate other tenants' server IDs through differential responses. Attackers can sweep sequential IDs against getServerConfig and setServerConfig, distinguishing 'permission denied' from success payloads to map other users' servers.\n\n## Affected\n\n- `nezha >= 1.7.0 < 2.3.15`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":24,"depthScoreParts":{"impact":23.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}