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High 7.1Published Oct 12, 2026

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

Updated under an hour ago ()

Does this affect you?

It affects 0xJacky nginx-ui. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 0.18%, higher than 7% of scored CVEs.

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.

CVSS
7.1 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
Weakness (CWE)
CWE-287, CWE-352
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
0.18% (percentile 7)
Assigned by
GitHub_M
NVD analysis
Deferred
Record last updated
Oct 14, 2026
First seen by InfoSec Signals
Oct 12, 2026

Affected products

Affected products
0xJacky nginx-ui
0xjacky:nginx_ui (from the name)
before 2.4.1
CNA record

References

  • x-refsource-confirm
  • x-refsource-misc
  • x-refsource-misc

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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