CVE-2026-72860: decolua 9router

9router Server-Side Request Forgery via /api/provider-nodes/validate Because the IPv4-Mapped IPv6 Denylist Check Is Unreachable

CVSS 6.3 MediumEPSS 0.0038 · 32nd percentile

Published by the CVE Program (CNA: VulnCheck) at 20 Aug 2026, 21:35 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
decolua	9router Package name: 9router https://registry.npmjs.org pkg:npm/9router	affected 0.5.55 and earlier custom Other versions: unaffected

Identifiers

CVE-2026-72860

CNA

VulnCheck

Weakness (CWE)

CWE-184 · CWE-918

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
8.5	High	3.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N	CNA (VulnCheck)
6.3	Medium	4.0	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N	CNA (VulnCheck)Used for this record

CISA KEV Not listed.
EPSS 0.0038, the 32nd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 20 Aug 2026. New records show when each source confirmed them.

Sources

References from the CNA

github.com/decolua/9router/issues/3293 issue-tracking
github.com/decolua/9router/blob/master/src/shared/utils/ssrfGuard.js technical-description
github.com/decolua/9router/blob/master/src/app/api/provider-nodes/validate/route.js technical-description
github.com/decolua/9router/pull/3370 issue-tracking
github.com/decolua/9router product
www.vulncheck.com/advisories/9router-server-side-request-forgery-via-api-provider-nodes-validate-because-the-ipv4-mapped-ipv6-denylist-check-is-unreachable 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.