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CVE-2026-42222

Nginx UI is a web user interface for the Nginx web server. In version 2.3.5, an unauthenticated bootstrap takeover exists in nginx-ui during the initial installation window exposed by POST /api/install. At time of publication no public patches are available.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:347304c90f2685d9d66912b7b5cb39ec363a345804ba1808cbc523376110ba92
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-306","description":"CWE-306: Missing Authentication for Critical Function","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:386cc044a9b2a25f8633f7c578ce4bf261dfde471f06383e23adcf6e20b54df0 · sha256:571bcff7d888e12f… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-284","description":"CWE-284: Improper Access Control","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:386cc044a9b2a25f8633f7c578ce4bf261dfde471f06383e23adcf6e20b54df0 · sha256:571bcff7d888e12f… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"nginx-ui","vendor":"0xJacky","versions":[{"status":"affected","version":"= 2.3.5"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:386cc044a9b2a25f8633f7c578ce4bf261dfde471f06383e23adcf6e20b54df0 · sha256:571bcff7d888e12f… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:386cc044a9b2a25f8633f7c578ce4bf261dfde471f06383e23adcf6e20b54df0 · sha256:571bcff7d888e12f… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-306","description":"CWE-306: Missing Authentication for Critical Function","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:386cc044a9b2a25f8633f7c578ce4bf261dfde471f06383e23adcf6e20b54df0 · sha256:571bcff7d888e12f… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-284","description":"CWE-284: Improper Access Control","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:386cc044a9b2a25f8633f7c578ce4bf261dfde471f06383e23adcf6e20b54df0 · sha256:571bcff7d888e12f… · /containers/cna/problemTypes/1/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-mxqh-q9h6-v8pq","tags":["x_refsource_CONFIRM"],"url":"https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-mxqh-q9h6-v8pq"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:386cc044a9b2a25f8633f7c578ce4bf261dfde471f06383e23adcf6e20b54df0 · sha256:571bcff7d888e12f… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-mxqh-q9h6-v8pq"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:386cc044a9b2a25f8633f7c578ce4bf261dfde471f06383e23adcf6e20b54df0 · sha256:571bcff7d888e12f… · /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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