npm/@opennextjs/cloudflare CVE-2026-100409: high 7.5

OpenNext Cloudflare: Cache interception can bypass middleware protection for encoded paths

Action: Upgrade @opennextjs/cloudflare to 1.20.2 or later.

npm i @opennextjs/cloudflare@1.20.2

Affected

Fixed versions

Sources

• osv: GHSA-2vc4-c4r6-p6v6
• https://github.com/opennextjs/opennextjs-cloudflare/security/advisories/GHSA-2vc4-c4r6-p6v6
• https://nvd.nist.gov/vuln/detail/CVE-2026-100409
• https://github.com/opennextjs/opennextjs-aws/pull/1199
• https://github.com/opennextjs/opennextjs-aws/pull/1200
• https://github.com/opennextjs/opennextjs-cloudflare/commit/38ea40b669be272ddf09a7df7e70c69d0b57404b
• https://github.com/opennextjs/opennextjs-cloudflare
• https://github.com/opennextjs/opennextjs-cloudflare/releases/tag/@opennextjs/cloudflare@1.20.2

CVE-2026-100409 · published 2026-10-15T20:15:17Z · modified 2026-10-15T20:30:05.349670038Z · JSON