CVE-2026-48119

Description

Nezha's authenticated agents can forge service-monitor results for other users' services

Description (MITRE) cveawg.mitre.org

Pulled from cveawg.mitre.org/api/cve/CVE-2026-48119 on 2026-07-12. Shown when MITRE's text differs from the cvelistV5 mirror.

Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool. From version 0.20.0 to before version 2.0.12, authenticated agents can forge service-monitor results for other users' services. This issue has been patched in version 2.0.12.

Overview

State

—

Assigner (CNA)

—

CVSS severity

high

CVSS score

7.1 / 10

CVSS vector

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L

Effective score

7.1 / 10 HIGH source: CNA overview

CWE(s)

—

Reserved

—

Published

—

Last updated

—

Source

https://www.tenable.com/cve/CVE-2026-48119

Linked Threat

CVE-2026-48119 — CVE-2026-48119

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published

2026-06-12 22:16:51 UTC

NVD last modified

2026-06-17 10:54:52 UTC

NVD CVSS v3.1

7.1 / 10 HIGH source: security-advisories@github.com

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L

Exploitability subscore

2.8 / 10

Impact subscore

4.2 / 10

EPSS score

0.0027 (probability of exploitation in next 30 days)

EPSS percentile

18.32% vs all CVEs — higher = more likely to be exploited, as of 2026-07-12

NVD-assigned CWE(s): CWE-862 (differs from the CNA list above)

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID

EUVD-2026-36595

Assigner

GitHub_M

Published

Jun 12, 2026, 9:03:17 PM

Updated

Jun 15, 2026, 7:27:29 PM

EUVD base score (CVSS 3.1)

7.1 / 10
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L

EUVD-reported EPSS

0.2700

Vendors

nezhahq

Products

nezha (0.20.0, < 2.0.12)

Aliases

GHSA-4g6j-g789-rghm

ENISA description: Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool. From version 0.20.0 to before version 2.0.12, authenticated agents can forge service-monitor results for other users' services. This issue has been patched in version 2.0.12.

Vendor references (0)

References embedded in the original CVE record by the assigning CNA.

None in the CVE record.

MITRE references (1) cveawg.mitre.org

Pulled from MITRE's CVE Services API by the 🛰 Backfill from MITRE button.

• https://github.com/nezhahq/nezha/security/advisories/GHSA-4g6j-g789-rghm x_refsource_CONFIRM

Web references (2)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

• https://nvd.nist.gov/vuln/detail/CVE-2026-48119 tenable:nvd.nist.gov
• https://www.cve.org/CVERecord?id=CVE-2026-48119 tenable:www.cve.org

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

• Category: Patch Tuesday | Qualys
  web:blog.qualys.com

  Microsoft and Adobe Patch Tuesday, April 2026 Security Update Review Posted in Patch Tuesday, Vulnerabilities and Threat Research 7 Diksha Ojha March 11, 2026 - 8 min read

  2026-06-19 02:31 UTC
• April 2026 Critical Patch Update Released | security - Oracle Blogs
  web:blogs.oracle.com

  For more information about the Critical Patch Update program, see the security vulnerability remediation practices page located on the Oracle Trust Center.

  2026-06-19 02:31 UTC
• CVE-2026-48119 | Mondoo Vulnerability Intelligence
  web:mondoo.com

  CVE-2026-48119 - HIGH severity: Nezha Monitoring: Authenticated agents can forge service-monitor results for other users' services

  2026-06-19 02:31 UTC
• Oracle CPU April 2026: Delayed RUs & First Analysis ¶
  web:oradba.ch

  On April 21, 2026 , Oracle released the Critical Patch Update (CPU) for April 2026 — 481 new security fixes across the entire Oracle product stack. For Oracle Database, this means another round of mandatory patching. What makes this quarter unusual: several key Release Updates, including 19.31 and 23.26.2, were not available on release day and are delayed by up to a week or more.

  2026-06-19 02:31 UTC
• Security Update Guide - Loading - Microsoft
  web:portal.msrc.microsoft.com

  The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.

  2026-06-19 02:31 UTC
• CVE-2026-48119 - vulmon.com
  web:vulmon.com

  Vulnerability details of CVE-2026-48119 CVE-2026-48119 - Authenticated Agent Service-Monitor Result Forgery in Nezha Monitoring Before 2.0.12

  2026-06-19 02:31 UTC
• CVE-2026-48119 - vulnerability database | Vulners.com
  web:vulners.com

  CVE-2026-48119 (Nezha Monitoring) involves authenticated agents forging service-monitor results for other users' services in versions 0.20.0 through pre-2.0.12. The vulnerability arises from the service-monitor worker not verifying that the report...

  2026-06-19 02:31 UTC
• Oracle Critical Patch Update Advisory - April 2026
  web:www.oracle.com

  This Critical Patch Update contains 481 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at April 2026 Critical Patch Update: Executive Summary and Analysis.

  2026-06-19 02:31 UTC
• Oracle Patches 450 Vulnerabilities With April 2026 CPU
  web:www.securityweek.com

  Oracle on Tuesday announced the release of 481 new security patches as part of its April 2026 Critical Patch Update (CPU). Across the 28 product families that received security updates, more than 300 patches address vulnerabilities that are remotely exploitable without authentication. Roughly three dozen fixes resolve critical-severity security defects. There appear to be approximately 450 ...

  2026-06-19 02:31 UTC
• Oracle April 2026 Critical Patch Update 241 CVEs | Tenable®
  web:www.tenable.com

  Oracle addresses 241 CVEs in its April Critical Patch Update, the second quarterly update of 2026 with 481 patches, including 34 critical updates.

  2026-06-19 02:31 UTC

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