CVE-2026-101004 - notionnext-org NotionNext Authentication Guard cache.js cleanCache missing authentication

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MEDIUM

notionnext-org NotionNext Authentication Guard cache.js cleanCache missing authentication

Published Sep 28, 2026

6.9

MEDIUM

CVSS 4.0

EPSS 0.50%

Description

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.

Affected products

Vendor Notionnext-Org Product NotionNext Default
n/a
- Version
  4.10.0
  Status
  affected
  Constraints
  -
- Version
  4.10.1
  Status
  affected
  Constraints
  -
- Version
  4.10.10
  Status
  affected
  Constraints
  -
- Version
  4.10.2
  Status
  affected
  Constraints
  -
- Version
  4.10.3
  Status
  affected
  Constraints
  -
- Version
  4.10.4
  Status
  affected
  Constraints
  -
- Version
  4.10.5
  Status
  affected
  Constraints
  -
- Version
  4.10.6
  Status
  affected
  Constraints
  -
- Version
  4.10.7
  Status
  affected
  Constraints
  -
- Version
  4.10.8
  Status
  affected
  Constraints
  -
- Version
  4.10.9
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Notionnext-Org

NotionNext

n/a

Version	Status	Constraints
4.10.0	affected	-
4.10.1	affected	-
4.10.10	affected	-
4.10.2	affected	-
4.10.3	affected	-
4.10.4	affected	-
4.10.5	affected	-
4.10.6	affected	-
4.10.7	affected	-
4.10.8	affected	-
4.10.9	affected	-

Remediation

No remediation recorded yet.

Weaknesses (2)

CWE-287

Improper Authentication

CWE-306

Missing Authentication

References (5)

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-88090
Advisory
https://vuldb.com/cve/CVE-2026-101004
third-party-advisory
https://vuldb.com/submit/920379
third-party-advisory
https://vuldb.com/vuln/410874
vdb-entrytechnical-description
https://vuldb.com/vuln/410874/cti
signaturepermissions-required

Link	Providers	Tags
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-88090		Advisory
https://vuldb.com/cve/CVE-2026-101004		third-party-advisory
https://vuldb.com/submit/920379		third-party-advisory
https://vuldb.com/vuln/410874		vdb-entrytechnical-description
https://vuldb.com/vuln/410874/cti		signaturepermissions-required