---
id: CVE-2026-117564
title: nest-admin before 1.0.1 Authentication Bypass via Hardcoded JWT Secret
summary: >-
  nest-admin before 1.0.1 contains an authentication bypass vulnerability that
  allows unauthenticated attackers to forge administrator tokens by using a
  hardcoded JWT_SECRET committed in .env.production. Attackers can sign tokens
  with the …
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-321
vendor: buqiyuan
product: nest-admin
affected:
  - nest-admin < 1.0.1
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-10-28T15:56:42.754470Z'
published: '2026-10-27'
updated: '2026-10-28'
sourceUpdated: '2026-10-28T16:16:56.709Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-117564'
references:
  - url: 'https://github.com/buqiyuan/nest-admin/issues/93'
    label: 'GitHub Issue #93'
  - url: 'https://github.com/buqiyuan/nest-admin'
  - url: >-
      https://github.com/buqiyuan/nest-admin/commit/f2cec8cb776cbf113115b33164dac69a46d24097
  - url: 'https://github.com/buqiyuan/nest-admin/issues/92'
    label: 'GitHub Issue #92'
  - url: >-
      https://github.com/buqiyuan/nest-admin/blob/2eeccc4cb699d1aedbe04b4437a9d095cde02c74/.env.production#L5
  - url: >-
      https://www.vulncheck.com/advisories/nest-admin-before-1.0.1-authentication-bypass-via-hardcoded-jwt-secret
    label: >-
      VulnCheck Advisory: nest-admin before 1.0.1 Authentication Bypass via
      Hardcoded JWT Secret
tags:
  - cve.org
epss: 0.00599
epssPercentile: 0.48533
ingestedAt: '2026-10-27T16:11:59.335Z'
---

## Overview

nest-admin before 1.0.1 contains an authentication bypass vulnerability that allows unauthenticated attackers to forge administrator tokens by using a hardcoded JWT_SECRET committed in .env.production. Attackers can sign tokens with the known secret that JwtStrategy and RbacGuard trust, impersonating any user ID or claiming the admin role for full administrative access.

## Affected

- `nest-admin < 1.0.1`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.