CVE-2026-120200: gnmyt Nexterm

Nexterm through 1.2.2-BETA Missing Authorization in Server Session Lifecycle Routes

CVSS 5.3 MediumEPSS 0.0023 · 13th percentile

Published by the CVE Program (CNA: VulnCheck) at 31 Oct 2026, 17:25 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
gnmyt	Nexterm	affected 1.0.6-OPEN-PREVIEW to 1.2.2-BETA, inclusive custom Other versions: unaffected

Identifiers

CVE-2026-120200

CNA

VulnCheck

Weakness (CWE)

CWE-639

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
5.3	Medium	4.0	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N	CNA (VulnCheck)Used for this record
5.4	Medium	3.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L	CNA (VulnCheck)

CISA KEV Not listed.
EPSS 0.0023, the 13th percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

31 Oct 2026, 17:25 UTC Confirmed by the CVE List
31 Oct 2026, 17:36 UTC First seen by agentprime
31 Oct 2026, 18:17 UTC Confirmed by NVD

Sources

References from the CNA

github.com/gnmyt/Nexterm/issues/1944 issue-tracking
github.com/gnmyt/Nexterm/pull/1950 issue-trackingpatch
github.com/gnmyt/Nexterm/commit/00fdb03eea35adb3dee8169469e897b3c8f30657 patch
github.com/gnmyt/Nexterm/blob/v1.2.2-BETA/server/routes/serverSession.js#L87 technical-description
github.com/gnmyt/Nexterm product
www.vulncheck.com/advisories/nexterm-through-1.2.2-beta-missing-authorization-in-server-session-lifecycle-routes third-party-advisory

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.