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CVE-2026-126797

9.8, critical

NextScan 1.1.0 through 1.2.0 contains an authentication bypass vulnerability in ns-admin that allows unauthenticated attackers to forge…

NVD (opens in a new tab) CVE.org (opens in a new tab)
CVSS
9.8, critical critical CVSS v3.1
EPSS, next 30 days
n/a
Exploitation
No public evidence
Published
11 Nov 2026yesterday

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.

Details

Vendor
Tongcheng-security-team
Product
NextScan
Weakness
CWE-321 (opens in a new tab)
Status
Received
Updated
11 Nov 2026
Assigner
disclosure@vulncheck.com

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References 5

Advisories 2

Other references 3

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Other Tongcheng-security-team CVEs

Every Tongcheng-security-team CVE we hold

Same vendor in what we hold, not a known link between the flaws.

  • CVE-2026-126802 Tongcheng-security-team NextScan Use of Hard-coded Credentials Vulnerability 8.2, high

Beyond this page

Is CVE-2026-126797 in your network?

This page tells you how dangerous CVE-2026-126797 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

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  • EXYS7950 KONDRA

    Detect it if it's exploited

    Until the patch is applied, Kondra monitors your network, events and endpoints in real time. It keeps an inventory of the software installed on every endpoint, and its anomaly detection rules flag what an attacker does once inside.

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Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 12 Nov 2026, not the live upstream state.