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CVE-2026-53520

Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool. From version 2.0.14 to before version 2.1.0, authenticated users can claim the dashboard Host through NAT and preempt all dashboard routing. This issue has been patched in version 2.1.0.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:184d8985c6f8e6e1e22a13d0f6198cbeec52fee4b8fb470fb39ba43d33506968
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"nezha","vendor":"nezhahq","versions":[{"status":"affected","version":">= 2.0.14, < 2.1.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:146a40be5cbd63601ee746d38cc97cca75918cca9297d13ca51f92dc96adde5b · sha256:b1db98c0bb74b9e2… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:146a40be5cbd63601ee746d38cc97cca75918cca9297d13ca51f92dc96adde5b · sha256:b1db98c0bb74b9e2… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-284","description":"CWE-284: Improper Access Control","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:146a40be5cbd63601ee746d38cc97cca75918cca9297d13ca51f92dc96adde5b · sha256:b1db98c0bb74b9e2… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/nezhahq/nezha/security/advisories/GHSA-x6fg-52vr-hj4w","tags":["x_refsource_CONFIRM"],"url":"https://github.com/nezhahq/nezha/security/advisories/GHSA-x6fg-52vr-hj4w"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:146a40be5cbd63601ee746d38cc97cca75918cca9297d13ca51f92dc96adde5b · sha256:b1db98c0bb74b9e2… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/nezhahq/nezha/security/advisories/GHSA-x6fg-52vr-hj4w"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:146a40be5cbd63601ee746d38cc97cca75918cca9297d13ca51f92dc96adde5b · sha256:b1db98c0bb74b9e2… · /containers/adp/0/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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