CVE-2026-126797

NextScan 1.1.0 through 1.2.0 Hardcoded JWT Key Authentication Bypass in ns-admin

Published Nov 11, 2026 CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
Description
NextScan 1.1.0 through 1.2.0 contains an authentication bypass vulnerability in ns-admin that allows unauthenticated attackers to forge administrator tokens using a hardcoded JWT signing key. Attackers can sign an HS256 X-Access-Token carrying the public super administrator role ID to gain full access to user management, scan tasks and stored vulnerability results.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Description NextScan 1.1.0 through 1.2.0 contains an authentication bypass vulnerability in ns-admin that allows unauthenticated attackers to forge administrator tokens using a hardcoded JWT signing key. Attackers can sign an HS256 X-Access-Token carrying the public super administrator role ID to gain full access to user management, scan tasks and stored vulnerability results.
Title NextScan 1.1.0 through 1.2.0 Hardcoded JWT Key Authentication Bypass in ns-admin
Weaknesses CWE-321
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Subscriptions

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Nov 11, 2026, 8:53 PM
Reserved
Nov 11, 2026, 8:01 PM
Status
Deferred
Published
Nov 11, 2026, 9:16 PM
Modified
Nov 12, 2026, 9:36 PM