How severe is CVE-2026-48119?

CVE-2026-48119 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability low.

Is CVE-2026-48119 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-48119?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-48119 have an EU (EUVD) identifier?

Yes. CVE-2026-48119 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36595.

When was CVE-2026-48119 published?

CVE-2026-48119 was published on 2026-06-12 and last updated on 2026-06-17.

CVE-2026-48119

CVE-2026-48119 is a high-severity vulnerability with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-862.

Key facts

Severity: High (CVSS 3.x base score 7.1)
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-36595
Weakness: CWE-862
Published: 2026-06-12
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-48119?: 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.
How severe is CVE-2026-48119?: CVE-2026-48119 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability low.
Is CVE-2026-48119 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-48119?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-48119 have an EU (EUVD) identifier?: Yes. CVE-2026-48119 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36595.
When was CVE-2026-48119 published?: CVE-2026-48119 was published on 2026-06-12 and last updated on 2026-06-17.

References

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

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