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OpenAdvisories
Medium · 5.3 CVE-2026-44372 EUVD-2026-30162GHSA-9phm-9p8f-hw5m

Nitro: Open Redirect via Protocol-Relative URL Bypass in Wildcard Route Rules

Published May 13, 2026 · Updated May 14, 2026 · Assigned by GitHub_M

Description

Nitro is a next generation server toolkit. Prior to 3.0.260429-beta, an attacker could turn a redirect route rule using wildcards rewrite into a cross-host redirect by sliding an extra slash in after the rule prefix. This vulnerability is fixed in 3.0.260429-beta.

Affected products

VendorProductAffectedFixed
nitrojs nitro < 3.0.260429-beta —
nitrojs nitropack < 2.13.4 —

Affected packages

EcosystemPackageAffectedFixedRecord
npm nitro < 3.0.260429-beta 3.0.260429-beta GHSA-9phm-9p8f-hw5m
npm nitropack < 2.13.4 2.13.4 GHSA-9phm-9p8f-hw5m

References