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  4. CVE 2026 84312 nginx ui casdoor sso callback uses a constant
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Back to active CVEs
High · CVSS 7.1CVE-2026-84312

Nginx UI: Casdoor SSO callback uses a constant `state` parameter (login CSRF)CVE-2026-84312

Answer in brief

CVE-2026-84312 records a High severity (CVSS 7.1) vulnerability in Nginx UI: Casdoor SSO callback uses a constant `state` parameter (login CSRF). The current sources do not mark it as known exploited. The current feed maps 0xJacky/nginx-ui (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 12, 2026Updated Oct 12, 2026Source checked Oct 12, 2026First seen by HOL Oct 12, 2026Material review Oct 12, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.1
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 7.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps 0xJacky/nginx-ui (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
0xJacky/nginx-uigeneric<2.4.12.4.1

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for 0xJacky/nginx-ui.
  2. 2Review the reported fix. Update 0xJacky/nginx-ui to 2.4.1 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 12, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 12, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 12, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
Upstream source description

Nginx UI is a web user interface for the Nginx web server. Prior to 2.4.1, GetCasdoorUri uses the configured Casdoor application name as a constant OAuth state value and CasdoorCallback does not compare the submitted state with a value bound to the initiating browser session. An unauthenticated attacker can cause a victim's browser to complete an attacker-controlled Casdoor authorization flow, and the callback can mint a Nginx UI session for the identity returned by that authorization code. This issue is fixed in version 2.4.1.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Nginx UI: nginx config directive denylist (ValidateConfigFile) is bypassable via same-line ";" separation → authenticated directive injection (RCE on the official image)Same 0xjacky/nginx-ui package
  • Nginx UI: MCP nginx_config_add skips config directive validation → authenticated nginx directive injection (RCE on the official image)Same 0xjacky/nginx-ui package
  • Nginx UI: MCP configuration tools bypass restricted directive validation and allow secondary authenticated users to execute NJS in Nginx worker contextSame 0xjacky/nginx-ui package
  • Nginx UI: OTP secure-session step-up can be bypassed via MCP configuration toolsSame 0xjacky/nginx-ui package
  • FileRise: Missing CSRF enforcement for file creation and share-link creationAlso CWE-352
  • Super Productivity: SuperSync E2EE setup uploads and stores all user operations in plaintext before password is setSame generic ecosystem

Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-287, CWE-352
Source
CVE List V5
Source checked
Oct 12, 2026
References
3 linked sources
Open source record