CVE-2026-53522
Nezha Monitoring: Unbounded WebSocket Streams — Resource Exhaustion DoS in github.com/nezhahq/nezha
6.5
MEDIUM
CVSS 3.1
EPSS 0.29%
Description
Nezha Monitoring: Unbounded WebSocket Streams — Resource Exhaustion DoS in github.com/nezhahq/nezha. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. (If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.) The additional affected modules and versions are: github.com/nezhahq/nezha before v2.2.0.
How to fix CVE-2026-53522
To remediate CVE-2026-53522, upgrade the affected package to a fixed version below.
- —upgrade to 2.2.0 or later
- —no fix listed
Is CVE-2026-53522 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- >= 1.0.0, < 2.2.0
- >= 1.0.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |