CVE-2026-48119GHSA-4G6J-G789-RGHMGO-2026-5119
Nezha Monitoring: Authenticated agents can forge service-monitor results for other users' services
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 2.0.12, 1.14.15-0.20260521020202-02129f16fb15
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: poc
- Automatable: no
- Technical impact: partial
Summary
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.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: poc · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- nezhahq nezha
From 0.20.0 · fixed in 2.0.12
- github.com/nezhahq/nezhaGo
From 0.20.0 · fixed in 1.14.15-0.20260521020202-02129f16fb15
- github.com/nezhahq/nezhaGo
From 2.0.0 · fixed in 2.0.12
- github.com/naiba/nezhaGo
From 0.20.0
- github.com/nezhahq/nezhaGo
From 1.0.0 · fixed in 1.14.15-0.20260521020202-02129f16fb15