Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1325 CNY

100%
Buy Us a Coffee

CVE-2026-49397— Nezha Monitoring: Private services (`EnableShowInService: false`) are enumerable via per-server endpoints, leaking name and timing data

CVSS 5.3 · Medium EPSS 0.25% · P16

Affected Version Matrix 1

VendorProductVersion RangeStatus
nezhahqnezha>= 2.0.0, < 2.0.14affected
Get alerts for future matching vulnerabilitiesLog in to subscribe

I. Basic Information for CVE-2026-49397

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Nezha Monitoring: Private services (`EnableShowInService: false`) are enumerable via per-server endpoints, leaking name and timing data
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
信息暴露
Source: NVD (National Vulnerability Database)
Vulnerability Title
Nezha Monitoring 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nezha Monitering是Nezha Monitoring组织开源的一款自托管、轻量级的服务器和网站监控及运维工具。 Nezha Monitoring 2.0.0版本至2.0.14之前版本存在安全漏洞，该漏洞源于私有服务可通过每服务器端点被枚举，泄露名称和时间数据。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
nezhahqnezha >= 2.0.0, < 2.0.14 -

II. Public POCs for CVE-2026-49397

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-49397

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-49397 (1)

Same Patch Batch · nezhahq · 2026-06-12 · 13 CVEs total

CVE-2026-467169.9 CRITICALNezha Monitoring: RoleMember can run shell on every server (cross-tenant RCE) via POST /ap
CVE-2026-535199.1 CRITICALNezha Monitoring: Pre-auth path traversal via /dashboard.. prefix confusion leaks jwt_secr
CVE-2026-467177.7 HIGHNezha Monitoring: RoleMember-reachable SSRF with full response-body reflection via POST /a
CVE-2026-471207.1 HIGHNezha Monitoring: RoleMember can fire other users' cron tasks via AlertRule.FailTriggerTas
CVE-2026-481197.1 HIGHNezha Monitoring: Authenticated agents can forge service-monitor results for other users'
CVE-2026-493967.1 HIGHNezha Monitoring: Cross-site GET request can trigger stored cron commands on a victim's ag
CVE-2026-535236.8 MEDIUMNezha Monitoring: OAuth2 Redirect URL — Host Header Injection
CVE-2026-535206.5 MEDIUMNezha Monitoring: Authenticated users can claim the dashboard Host through NAT and preempt
CVE-2026-535226.5 MEDIUMNezha Monitoring: Unbounded WebSocket Streams — Resource Exhaustion DoS
CVE-2026-471246.5 MEDIUMNezha WebSocket server stream discloses cross-tenant server telemetry to authenticated mem
CVE-2026-535216.4 MEDIUMNezha Monitoring: Stored future DDNS profile ID allows unauthorized use of another user's
CVE-2026-472686.4 MEDIUMNezha Monitoring: Authenticated DDNS webhook configuration allows blind SSRF from the dash

IV. Related Vulnerabilities

Same product: nezha
Same vendor: nezhahq
Same weakness: CWE-200

V. Comments for CVE-2026-49397

No comments yet

Leave a comment