nginx-ui: Unauthenticated First-Run Installer Allows Remote Initial Admin Claim

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-42221 · Microsoft / collected KEV context

EUVD-2026-27135

GHSA-h27v-ph7w-m9fp

GO-2026-5412

cve-program · CVE-2026-42221

• https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-h27v-ph7w-m9fp
• https://github.com/0xJacky/nginx-ui/releases/tag/v2.3.8

euvd · EUVD-2026-27135

• https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-h27v-ph7w-m9fp
• https://github.com/0xJacky/nginx-ui/releases/tag/v2.3.8

nvd · CVE-2026-42221

• https://github.com/0xJacky/nginx-ui/releases/tag/v2.3.8
• https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-h27v-ph7w-m9fp

osv · GHSA-h27v-ph7w-m9fp

• https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-h27v-ph7w-m9fp
• https://nvd.nist.gov/vuln/detail/CVE-2026-42221
• https://github.com/0xJacky/nginx-ui
• https://github.com/0xJacky/nginx-ui/releases/tag/v2.3.8

osv · GO-2026-5412

• https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-h27v-ph7w-m9fp
• https://nvd.nist.gov/vuln/detail/CVE-2026-42221
• https://github.com/0xJacky/nginx-ui/releases/tag/v2.3.8

No related operational record is retained in the current change model.