CVE Explorer

CVE-2026-42238

Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.8, nginx-ui exposes a backup restore endpoint (POST /api/restore) that is completely unauthenticated during the first 10 minutes after process startup on any fresh installation. An unauthenticated remote attacker can upload a crafted backup archive that overwrites the application's configuration file (app.ini) and SQLite database. Because the attacker controls the restored app.ini, they can inject an arbitrary OS com

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:a0e370eef7638d64cf5bbb0ae08314b9b5ca9886f4fe98ec8fcc4484e4fcafa7

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"nginx-ui","vendor":"0xJacky","versions":[{"status":"affected","version":"< 2.3.8"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:f179db84d46a4b60ad5ba65966a2b93a88985fc19615b79e656323107cecb5c8 · sha256:24d665afd7d12393… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":9,"baseSeverity":"CRITICAL","privilegesRequired":"NONE","subAvailabilityImpact":"HIGH","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","userInteraction":"PASSIVE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:f179db84d46a4b60ad5ba65966a2b93a88985fc19615b79e656323107cecb5c8 · sha256:24d665afd7d12393… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion

{"cweId":"CWE-94","description":"CWE-94: Improper Control of Generation of Code ('Code Injection')","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:f179db84d46a4b60ad5ba65966a2b93a88985fc19615b79e656323107cecb5c8 · sha256:24d665afd7d12393… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions

{"name":"https://github.com/0xJacky/nginx-ui/releases/tag/v2.3.8","tags":["x_refsource_MISC"],"url":"https://github.com/0xJacky/nginx-ui/releases/tag/v2.3.8"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:f179db84d46a4b60ad5ba65966a2b93a88985fc19615b79e656323107cecb5c8 · sha256:24d665afd7d12393… · /containers/cna/references/1

{"name":"https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-4pvg-prr3-9cxr","tags":["x_refsource_CONFIRM"],"url":"https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-4pvg-prr3-9cxr"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:f179db84d46a4b60ad5ba65966a2b93a88985fc19615b79e656323107cecb5c8 · sha256:24d665afd7d12393… · /containers/cna/references/0

{"tags":["exploit"],"url":"https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-4pvg-prr3-9cxr"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:f179db84d46a4b60ad5ba65966a2b93a88985fc19615b79e656323107cecb5c8 · sha256:24d665afd7d12393… · /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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