npm/nitropack CVE-2026-44373: medium 5.3, EPSS 0.45%

Nitro has a proxy scope bypass via percent-encoded path traversal in `routeRules`

Action: Upgrade nitropack to 2.13.4 or later.

npm i nitropack@2.13.4

Affected

Fixed versions

Sources

• osv: GHSA-5w89-w975-hf9q#npm/nitropack
• https://github.com/nitrojs/nitro/security/advisories/GHSA-5w89-w975-hf9q
• https://nvd.nist.gov/vuln/detail/CVE-2026-44373
• https://github.com/nitrojs/nitro/pull/4222
• https://github.com/nitrojs/nitro/pull/4223
• https://github.com/nitrojs/nitro
• https://github.com/nitrojs/nitro/releases/tag/v2.13.4
• https://github.com/nitrojs/nitro/releases/tag/v3.0.260429-beta

CVE-2026-44373 · published 2026-05-06T23:01:27Z · modified 2026-05-14T20:48:31.940118Z · JSON