Vulnerability record

CVE-2026-126802

highCVSS 4.0 8.8Published · tongcheng-security-team

The short answer

CVE-2026-126802 affects tongcheng-security-team NextScan and is rated high (CVSS 8.8). It is not in CISA's Known Exploited Vulnerabilities catalog.

What it is

NextScan 1.1.0 through 1.2.0 contains hardcoded HTTP Basic Auth credentials in ns-admin's AuthAgent and AuthExternal routers that allow unauthenticated attackers to access protected APIs. Attackers can call /agent/config to obtain Redis passwords, etcd details and the server token, and impersonate scan nodes via registration, heartbeat and logging endpoints.

Weakness: CWE-798.

Severity

8.8 high

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Exploited (CISA KEV)

Not listed

CISA lists confirmed exploitation only

EPSS, next 30 days

No score

FIRST scores CVEs within a day of publication

How it can be exploited

Attack vector
Network
Attack complexity
Low
Attack requirements
None
Privileges required
None
User interaction
None
Confidentiality impact
High
Integrity impact
Low
Availability impact
None

Affected products

NextScan. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2026-126802 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog as of 2026-11-12.

How do I fix CVE-2026-126802?

Follow the vendor advisory in the references below. NVD lists the affected versions under its configurations.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Received. The description is NVD's text, quoted as published.

Related

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