CVE-2026-49397

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Source

https://cve.org/CVERecord?id=CVE-2026-49397

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-49397.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-49397

Aliases

Published

2026-06-12T21:03:37.018Z

Modified

2026-07-15T01:49:04.543001476Z

Severity

5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N CVSS Calculator

Summary

Nezha Monitoring: Private services (`EnableShowInService: false`) are enumerable via per-server endpoints, leaking name and timing data

Details

Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool. From version 2.0.0 to before version 2.0.14, private services (EnableShowInService: false) are enumerable via per-server endpoints, leaking name and timing data. This issue has been patched in version 2.0.14.

Database specific

{
    "cna_assigner": "GitHub_M",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/49xxx/CVE-2026-49397.json",
    "cwe_ids": [
        "CWE-200",
        "CWE-285",
        "CWE-863"
    ]
}

References

Affected packages

Git / github.com/nezhahq/nezha

Affected ranges

Type

GIT

Repo

https://github.com/nezhahq/nezha

Events

Introduced

e61772e85878d2fc85be3e5b2042946aaa0c454f

Fixed

8b5e382fe217107c7b777ea9c6b4bc3d2e156202

Database specific

{
    "extracted_events": [
        {
            "introduced": "2.0.0"
        },
        {
            "fixed": "2.0.14"
        },
        {
            "introduced": "0"
        }
    ],
    "source": [
        "AFFECTED_FIELD",
        "DESCRIPTION"
    ]
}

Affected versions

v2.*

v2.0.0

v2.0.10

v2.0.11

v2.0.12

v2.0.13

v2.0.2

v2.0.3

v2.0.4

v2.0.5

v2.0.6

v2.0.7

v2.0.8

v2.0.9

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-49397.json"