VulnSocial

CVE-2026-42222Disclosure(nginxui / nginx_ui)

LOWCVSS 9.8 · CRITICAL

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

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.

nginxui CVEsBack to dashboard
0.0/ 10 priority

Sources & remediation

Exploit / PoC references
Weakness type (CWE)
CWE-284CWE-306

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • nginx_ui

Threat summary

  • 3 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Technical details provided in 3 signals
  • Disclosure: 3 classified signals
  • Peaked 1d ago at 2 mentions (2026-05-04); latest day: 1
  • 3 total mentions across 2 days

Affected systems

Vendors
nginxui
Products
nginx_ui

1 version affected across 1 product

Deep dive

Activity timeline3 mentions / 2d
01122Mentions · 2026-05-04: 2Mentions · 2026-05-05: 1Technical Details · 2026-05-04: 2Technical Details · 2026-05-05: 105-0405-05
Signal classification1 categories
Disclosure
3100.0%
Referenced assets3 URLs
Classification over time
DateTotalLabels
2026-05-042
Disclosure2
2026-05-051
Disclosure1
Full discourse3 posts
  • CVE@CVEnew
    Disclosure

    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 … https://www.cve.org/CVERecord?id=CVE-2026-42222

    Post summary

    The text announces CVE‑2026‑42222, describing an unauthenticated takeover vulnerability in Nginx‑UI v2.3.5 without providing PoC, exploits, or mitigation details.

    00010153
    57.4K followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-42222 Unauthenticated Bootstrap Takeover in Nginx UI 2.3.5 During Installation https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-42222

    Post summary

    The post discloses CVE-2026-42222, an unauthenticated bootstrap takeover vulnerability in Nginx UI 2.3.5 during installation, with a link to a vulnerability details page.

    0000046
    4.0K followersView on X
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* 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 … https://www.cve.org/CVERecord?id=CVE-2026-42222 ----- Traducción: CVE-2026-42222 Ngi… http://infoflow.cloud`

    Post summary

    The post announces CVE-2026-42222, detailing an unauthenticated bootstrap takeover in Nginx UI during initial setup, without indicating exploitation, PoC, or patch information.

    0000030
    75 followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appnginxuinginx_ui2.3.5--

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