decolua 9router vulnerable to authorization bypass
A security vulnerability has been detected in decolua 9router up to 0.3.47. The impacted element is an unknown function of the file /api of the component Administrative API Endpoint. The manipulation leads to authorization bypass. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 0.3.75 is sufficient to resolve this issue. It is suggested to upgrade the affected component.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | 9router | < 0.3.75 | 0.3.75 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-5842
- https://github.com/decolua/9router/issues/431
- https://github.com/decolua/9router/issues/431#issuecomment-4140163867
- https://github.com/decolua/9router
- https://github.com/decolua/9router/releases/tag/v0.3.75
- https://github.com/deepcat1337/Free_Api_Exploit/tree/main
- https://vuldb.com/submit/790003
- https://vuldb.com/vuln/356298
- https://vuldb.com/vuln/356298/cti
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L- Weakness (CWE)
CWE-285- Platform
- npm
- Package
9router- Disclosed
- 09.04.2026
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-xrrh-p7f2-27vm - CC BY 4.0
Vulnerability history: 9router
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 17
- First → latest
- 04.2026 09.2026
- Without a fix
- 4
- Exploited in attacks
- 0
Severity breakdown
- Critical 5
- High 9
- Medium 3
Disclosures per year
- 2026: 17
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