Vulnerability in Buqiyuan Nest-Admin
CVE-2026-117564
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/buqiyuan/nest-admin/issues/93 (issue-tracking)
- github.com/buqiyuan/nest-admin (product)
- github.com/buqiyuan/nest-admin/commit/f2cec8cb776cbf113115b33164dac69a46d24097 (patch)
- github.com/buqiyuan/nest-admin/issues/92 (issue-tracking)
- github.com/buqiyuan/nest-admin/blob/2eeccc4cb699d1aedbe04b4437a9d095cde02c74/.e… (technical-description)
- www.vulncheck.com/advisories/nest-admin-before-1.0.1-authentication-bypass-via-… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-117564?
- CVE-2026-117564 is a critical-severity vulnerability in Buqiyuan Nest-Admin, classified under Use of Hard-coded Cryptographic Key. CVSS score: 9.8/10. Published 2026-10-27.
- How severe is CVE-2026-117564?
- Critical severity. CVSS v3 base score is 9.8 out of 10.