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P4Verified
CVE-2026-100409: opennextjs-cloudflare >= 0.3.0, < 1.20.2
CVE-2026-100409. CVSS 3.1 base score 7.5 (HIGH, Vendor/CNA).
Affected technology
opennextjs-cloudflare · >= 0.3.0, < 1.20.2
opennextjs
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · No user interaction required
What an attacker can do
An unauthenticated attacker can use a percent-encoded pathname that does not match authorization middleware but decodes to the cache key of a protected route, causing cached content to be returned without authorization. Vendor/CNA’s CVSS 3.1 assessment (base score 7.5/10) rates confidentiality impact as high; integrity and availability impact as none.
- CWE
- CWE-177, CWE-180
- Product
- @opennextjs/cloudflare
- CCR priority
- 30.0 /100 (P4)
- CVSS 3.1
- 7.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N · Vendor/CNA
- KEV
- no
Provenance
- GitHub Advisory Database · Source record · observed 2026-10-15 20:29:51.189323+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-15 18:53:01.928580+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-100409.html