Auth bypass in Notionnext-Org Notionnext
CVE-2026-101004
A security vulnerability has been detected in notionnext-org NotionNext up to 4.10.10. Affected by this issue is the function cleanCache of the file pages/api/cache.js of the component Authentication Guard. The manipulation of the argument token leads to missing authentication. The attack may be initiated remotely. Versions 4.1.0 - 4.9.5.2 allow unauthenticated exploitation due to missing method check. In versions 4.9.5.7 - 4.10.10 a guard present but only enforced when CACHE_REVALIDATION_TOKEN is set. Default deployments remain unprotected. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: Broken Authentication
Published .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Notionnext-Org Notionnext — versions 4.10.0, 4.10.1, 4.10.10
Weakness classification (CWE)
References
- vuldb.com/vuln/410874 (technical-description, vdb-entry)
- vuldb.com/vuln/410874/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-101004 (third-party-advisory)
- vuldb.com/submit/920379 (third-party-advisory)
Frequently asked questions
- What is CVE-2026-101004?
- CVE-2026-101004 is a medium-severity vulnerability in Notionnext-Org Notionnext, classified under Improper Authentication. CVSS score: 5.3/10. Published 2026-09-28.
- How severe is CVE-2026-101004?
- Medium severity. CVSS v3 base score is 5.3 out of 10.