Description
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.
Published: 2026-05-13
Score: 5.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-5w89-w975-hf9q Nitro has a proxy scope bypass via percent-encoded path traversal in `routeRules`
History

Thu, 14 May 2026 15:00:00 +0000

Type Values Removed Values Added
First Time appeared Nitrojs
Nitrojs nitro
Nitrojs nitropack
Vendors & Products Nitrojs
Nitrojs nitro
Nitrojs nitropack

Thu, 14 May 2026 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 13 May 2026 21:15:00 +0000

Type Values Removed Values Added
Description 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.
Title Nitro: Proxy scope bypass via percent-encoded path traversal in `routeRules`
Weaknesses CWE-22
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-05-14T13:16:50.542Z

Reserved: 2026-05-05T20:15:20.631Z

Link: CVE-2026-44373

cve-icon Vulnrichment

Updated: 2026-05-14T13:12:29.892Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-05-13T21:16:48.033

Modified: 2026-05-14T16:57:26.740

Link: CVE-2026-44373

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-14T14:33:30Z

Weaknesses