CVE catalog
CVE-2026-44373
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
- Severity
- Medium · CVSS 5.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.45% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Cpe | nitro | Not reported | 2.13.4 | fixed |
| Cpe | nitro | Not reported | 3.0.260429 | fixed |
| Cpe | nitro | Not reported | 3.0.260429 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Cpe | nitro | cpe | Not reported | 2.13.4 | Not reported | Not reported | Not reported |
| Cpe | nitro | cpe | Not reported | 3.0.260429 | Not reported | Not reported | Not reported |
| Cpe | nitro | cpe | Not reported | 3.0.260429 | Not reported | NVD-CVE-2026-44373 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed:
References
- [https://github.com/nitrojs/nitro/pull/4222]
- [https://github.com/nitrojs/nitro/pull/4223]
- [https://github.com/nitrojs/nitro/releases/tag/v2.13.4]
- [https://github.com/nitrojs/nitro/releases/tag/v3.0.260429-beta]
- [https://github.com/nitrojs/nitro/security/advisories/GHSA-5w89-w975-hf9q]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-44373]