{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-62283", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-07-13T18:37:08.487Z", "datePublished": "2026-08-21T20:21:28.712Z", "dateUpdated": "2026-08-21T21:42:51.779Z"}, "containers": {"cna": {"title": "Nezha Monitoring: Cross-tenant terminal/file-manager session hijack via WebSocket stream UUID without ownership check", "problemTypes": [{"descriptions": [{"cweId": "CWE-639", "lang": "en", "description": "CWE-639: Authorization Bypass Through User-Controlled Key", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-862", "lang": "en", "description": "CWE-862: Missing Authorization", "type": "CWE"}]}], "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"}}], "references": [{"name": "https://github.com/nezhahq/nezha/security/advisories/GHSA-q6xx-5vr8-p898", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/nezhahq/nezha/security/advisories/GHSA-q6xx-5vr8-p898"}, {"name": "https://github.com/nezhahq/nezha/commit/6661d6a7fc1c269f55c7f4e775082ad23fbe0f54", "tags": ["x_refsource_MISC"], "url": "https://github.com/nezhahq/nezha/commit/6661d6a7fc1c269f55c7f4e775082ad23fbe0f54"}, {"name": "https://github.com/nezhahq/nezha/releases/tag/v2.0.10", "tags": ["x_refsource_MISC"], "url": "https://github.com/nezhahq/nezha/releases/tag/v2.0.10"}], "affected": [{"vendor": "nezhahq", "product": "nezha", "versions": [{"version": ">= 1.14.13, <= 1.14.14", "status": "affected"}, {"version": ">= 2.0.0, < 2.0.10", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-21T20:21:28.712Z"}, "descriptions": [{"lang": "en", "value": "Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool. Nezha versions 1.14.13 through 1.14.14 and 2.0.0 through 2.0.9 do not bind stream identifiers created by CreateStream in service/rpc/io_stream.go to their creating user, and `GET /ws/terminal/:id` and `GET /ws/file/:id` only check whether the supplied UUID exists. An authenticated RoleMember who obtains a live stream UUID from logs, browser history, referer data, or telemetry can attach to another user's terminal or file-manager session, read and write target-server files, and execute shell commands. This issue is fixed in version 2.0.10."}], "source": {"advisory": "GHSA-q6xx-5vr8-p898", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-08-21T20:59:58.255330Z", "id": "CVE-2026-62283", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-21T21:42:51.779Z"}}]}}

{}

{"affected": [{"affectedData": [{"product": "nezha", "vendor": "nezhahq", "versions": [{"status": "affected", "version": ">= 1.14.13, <= 1.14.14"}, {"status": "affected", "version": ">= 2.0.0, < 2.0.10"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool. Nezha versions 1.14.13 through 1.14.14 and 2.0.0 through 2.0.9 do not bind stream identifiers created by CreateStream in service/rpc/io_stream.go to their creating user, and `GET /ws/terminal/:id` and `GET /ws/file/:id` only check whether the supplied UUID exists. An authenticated RoleMember who obtains a live stream UUID from logs, browser history, referer data, or telemetry can attach to another user's terminal or file-manager session, read and write target-server files, and execute shell commands. This issue is fixed in version 2.0.10."}], "id": "CVE-2026-62283", "lastModified": "2026-08-21T21:17:01.183", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 3.1, "impactScore": 6.0, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-08-21T21:17:01.183", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/nezhahq/nezha/commit/6661d6a7fc1c269f55c7f4e775082ad23fbe0f54"}, {"source": "security-advisories@github.com", "url": "https://github.com/nezhahq/nezha/releases/tag/v2.0.10"}, {"source": "security-advisories@github.com", "url": "https://github.com/nezhahq/nezha/security/advisories/GHSA-q6xx-5vr8-p898"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-639"}, {"lang": "en", "value": "CWE-862"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[1.14.13,1.14.14]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2.0.0,2.0.10)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "nezha", "source": "cna", "vendor": "nezhahq"}, "product": "nezha", "vendor": "nezhahq"}], "created": "2026-08-21T21:30:17.393170+00:00", "updated": "2026-08-21T21:30:17.393198+00:00", "vendors": ["nezhahq", "nezhahq$PRODUCT$nezha"]}