CVE-2026-62283

criticalCVSS 9.9covered by 1 sourcefirst seen 2026-08-21

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.

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Exploitation outlook

Low exploitation risk0.37% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 30% of all EPSS-scored CVEs.

Advisory coverage (1)

criticalCVE-2026-62283: Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool…nvd · 2026-08-21

External references

NVD record for CVE-2026-62283

CVE.org record

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