CVE-2026-5842

decolua 9router Administrative API Endpoint api authorization

State: Published
Severity: 6.9 Medium
Published: Apr 9, 2026
Updated: Apr 13, 2026
Reserved: Apr 8, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	6.9 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P	VulDB
3.1	7.3 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C	VulDB
3.0	7.3 High	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C	VulDB
2.0	7.5 High	AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C	VulDB

Weaknesses

CWE-639 Authorization Bypass
CWE-285 Improper Authorization

Affected Products

Product	Versions
9routerdecolua	0.3.0Affected 0.3.1Affected 0.3.2Affected 0.3.3Affected 0.3.4Affected 0.3.5Affected 0.3.6Affected 0.3.7Affected 0.3.8Affected 0.3.9Affected 0.3.10Affected 0.3.11Affected 0.3.12Affected 0.3.13Affected 0.3.14Affected 0.3.15Affected 0.3.16Affected 0.3.17Affected 0.3.18Affected 0.3.19Affected 0.3.20Affected 0.3.21Affected 0.3.22Affected 0.3.23Affected 0.3.24Affected and 24 more versions

References

VDB-356298 | decolua 9router Administrative API Endpoint api authorizationvdb-entry
VDB-356298 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
Submit #790003 | 9Router Router 0.3.47-0.3.32 Authorization Bypassthird-party-advisory
https://github.com/decolua/9router/issues/431issue-tracking
https://github.com/decolua/9router/issues/431#issuecomment-4140163867issue-tracking
https://github.com/deepcat1337/Free_Api_Exploit/tree/mainexploit
https://github.com/decolua/9router/releases/tag/v0.3.75patch
https://github.com/decolua/9router/product

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