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High, CVSS 8.3amended

Nginx UI OTP secure-session step-up is missing on sensitive mutation routes

CVE-2026-84315GHSA-5v7c-xpfp-p65m

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (github.com/0xJacky/Nginx-UI 1.9.10-0.20260703131214-23d1934099b0), redeploy, then verify what is actually installed.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
8.3 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H
EPSS
  • CVE-2026-84315: 0.34% estimated exploitation activity in the next 30 days; percentile 27.16 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.
Source description

As published by the source; long descriptions are shortened.

Reporter: Jagadesh Achanta Target: 0xJacky/nginx-ui Affected version / commit tested: - App version: 2.3.10 - Commit: 4948fba8744e82c3d7003f68ee164e9f49421066 - Disclosure channel: GitHub Private Vulnerability Reporting - Credential reference: cred:github-jagstack-gh-cli AI assistance disclosure This report was prepared by Jagadesh Achanta with assistance from OpenAI/Codex for public source review, local evidence collection, and report drafting. Summary Nginx UI has a short-lived OTP/passkey "secure session" step-up boundary for users with 2FA enabled. RequireSecureSession() rejects an OTP-enabled user's request unless the request includes a valid X-Secure-Session-ID issued after a fresh OTP/passkey verification. The project already applies this step-up middleware to sensitive operations such as: - Nginx config create/edit/rename/delete; - site save/delete/enable/disable/rename/duplicate; - stream save/delete/enable/disable/rename/duplicate; - settings save and protected secret…

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 3 · amended ·

    Amended from ghsa record GHSA-5v7c-xpfp-p65m

  2. Revision 2 · amended ·

    Amended from osv record GO-2026-6775

  3. Revision 1 · created ·

    Published from osv record GHSA-5v7c-xpfp-p65m

Agent brief

Preview the exact text before you copy it. Commands are read-only suggestions; review them before running anything.

# Patch Next advisory brief: CVE-2026-84315

Advisory: Nginx UI OTP secure-session step-up is missing on sensitive mutation routes
IDs: CVE-2026-84315, GHSA-5v7c-xpfp-p65m
Record: https://patchnext.com/advisories/cve-2026-84315 (revision 3, source checked 26 Oct 2026, 15:32 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: High (CVSS 8.3)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: github.com/0xJacky/Nginx-UI 1.9.10-0.20260703131214-23d1934099b0. A vendor fix does not mean a deployment is fixed.

## Affected components
- Go github.com/0xJacky/Nginx-UI: affected < 1.9.10-0.20260703131214-23d1934099b0; fixed in 1.9.10-0.20260703131214-23d1934099b0

## Suggested inspection (read-only)
- Go github.com/0xJacky/Nginx-UI: check the installed version with your package manager.

## Supported action
Upgrade each affected component to a fixed version on its release line. For a transitive dependency, upgrade the parent package or add an override or constraint, then regenerate the lockfile. Redeploy every environment that ran an affected version.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on github.com/0xJacky/Nginx-UI.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://osv.dev/vulnerability/GO-2026-6775 (OSV record GO-2026-6775 lists affected ranges: Go github.com/0xJacky/Nginx-UI >=0 <1.9.10-0.20260703131214-23d1934099b0 (fixed))
- Verified: https://osv.dev/vulnerability/GHSA-5v7c-xpfp-p65m (OSV record GHSA-5v7c-xpfp-p65m lists affected ranges: Go github.com/0xJacky/Nginx-UI >=0 <1.9.10-0.20260703131214-23d1934099b0 (fixed))
- Verified: https://github.com/advisories/GHSA-5v7c-xpfp-p65m (GitHub-reviewed advisory GHSA-5v7c-xpfp-p65m lists affected ranges: Go github.com/0xJacky/Nginx-UI >=0 <1.9.10-0.20260703131214-23d1934099b0)

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