Medium severity5.3GHSA Advisory· Published May 13, 2026· Updated May 28, 2026
CVE-2026-44373
CVE-2026-44373
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
nitronpm | < 3.0.260429-beta | 3.0.260429-beta |
nitropacknpm | < 2.13.4 | 2.13.4 |
Affected products
4- ghsa-coords2 versions
< 3.0.260429-beta+ 1 more
- (no CPE)range: < 3.0.260429-beta
- (no CPE)range: < 2.13.4
Patches
Vulnerability mechanics
References
7- github.com/nitrojs/nitro/pull/4222nvdIssue TrackingPatchWEB
- github.com/nitrojs/nitro/pull/4223nvdIssue TrackingPatchWEB
- github.com/advisories/GHSA-5w89-w975-hf9qghsaADVISORY
- github.com/nitrojs/nitro/security/advisories/GHSA-5w89-w975-hf9qnvdThird Party AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2026-44373ghsaADVISORY
- github.com/nitrojs/nitro/releases/tag/v2.13.4nvdRelease NotesWEB
- github.com/nitrojs/nitro/releases/tag/v3.0.260429-betanvdRelease NotesWEB
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