CVE-2026-44373
MediumCVSS 5.3Exploitation Probability (EPSS)
Low risk39th percentile - higher than 39% of all known CVEs
Summary
Nitro is a next generation server toolkit. Prior to 3.0.260429-beta, an attacker could bypass a proxy route rule by sending percent-encoded path traversal (..%2f) in the URL, causing Nitro to forward a request that the upstream resolved outside the configured scope.
Risk Assessment
Bypassing proxy rules may allow access to resources outside the allowed scope, creating a risk of data disclosure and unauthorized access.
Recommendation
Update Nitro to version 3.0.260429-beta or later and review proxy route rules for path encoding handling.
Other vulnerabilities in Nitro
Original NVD description (English source)
Nitro is a next generation server toolkit. Prior to 3.0.260429-beta, an attacker could bypass a proxy route rule by sending percent-encoded path traversal (..%2f) in the URL, causing Nitro to forward a request that the upstream resolved outside the configured scope. This vulnerability is fixed in 3.0.260429-beta.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS