CVE-2026-44372 json
Nitro: Open Redirect via Protocol-Relative URL Bypass in Wildcard Route Rules
published 2026-05-06 6 mo ago modified 2026-10-26 13 d ago also GHSA-9phm-9p8f-hw5m , EUVD-2026-30162
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 20%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- npm nitro 3.0.260429-beta
- npm nitropack 2.13.4
- nitro nitro 2.13.4, 3.0.260429
- github.com/unjs/ufo@5cd9e67 commit
- github.com/nitrojs/nitro#4236 pull request
- github.com/nitrojs/nitro/releases/tag/v2.13.4 release
- github.com/nitrojs/nitro/releases/tag/v3.0.260429-beta release
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- 5 mo ago
Exploit prediction
0.28% chance of exploitation in the next 30 days, higher than 20% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 5.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N |
| CNA | 4.0 | 5.3 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| GitHub | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | nitro | <3.0.260429-beta |
3.0.260429-beta |
| npm | nitropack | <2.13.4 |
2.13.4 |
Affected products
- nitrojs nitro
- nitrojs nitropack
Classification
- Weakness
-
- CWE-601 URL Redirection to Untrusted Site
References
-
github.com
/nitrojs/nitro/pull/4236
web, issue-tracking, patch
-
github.com
/unjs/ufo/commit/5cd9e676711af3f4e4b5398ddf6ca8d52c1c7e1f
web
-
github.com
/nitrojs/nitro/security/advisories/GHSA-9phm-9p8f-hw5m
web, vendor-advisory
-
github.com
/nitrojs/nitro/releases/tag/v2.13.4
web, release-notes
-
github.com
/nitrojs/nitro/releases/tag/v3.0.260429-beta
web, release-notes
-
nvd.nist.gov
/vuln/detail/CVE-2026-44372
advisory
-
github.com
/nitrojs/nitro
package
Sources
- CVE List CVE-2026-44372
- GitHub Advisory GHSA-9phm-9p8f-hw5m
- NVD CVE-2026-44372
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.