TI-2026-05121 Aliases CVE-2026-5842 GHSA-xrrh-p7f2-27vm

decolua 9router Administrative API Endpoint api authorization

LOW 37CWE-285Published 2026-04-09 · Updated 2026-04-13

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Security bypass
Confidentiality · integrity · availability: Low · Low · Low
Fix status: Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-285.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00407 35th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix Fixed 9router (decolua): 0.3.759router (npm): 0.3.75

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
decolua	9router	0.3.0; 0.3.1; 0.3.2; 0.3.3; 0.3.4; 0.3.5; 0.3.6; 0.3.7; 0.3.8; 0.3.9; 0.3.10; 0.3.11; 0.3.12; 0.3.13; 0.3.14; 0.3.15; 0.3.16; 0.3.17; 0.3.18; 0.3.19; 0.3.20; 0.3.21; 0.3.22; 0.3.23; 0.3.24; 0.3.25; 0.3.26; 0.3.27; 0.3.28; 0.3.29; 0.3.30; 0.3.31; 0.3.32; 0.3.33; 0.3.34; 0.3.35; 0.3.36; 0.3.37; 0.3.38; 0.3.39; 0.3.40; 0.3.41; 0.3.42; 0.3.43; 0.3.44; 0.3.45; 0.3.46; 0.3.47	0.3.75	Patch available	CNA
—	9router (npm)	before 0.3.75	0.3.75	Patch available	GHSA-xrrh-p7f2-27vm

9router Vendordecolua Affected 0.3.0; 0.3.1; 0.3.2; 0.3.3; 0.3.4; 0.3.5; 0.3.6; 0.3.7; 0.3.8; 0.3.9; 0.3.10; 0.3.11; 0.3.12; 0.3.13; 0.3.14; 0.3.15; 0.3.16; 0.3.17; 0.3.18; 0.3.19; 0.3.20; 0.3.21; 0.3.22; 0.3.23; 0.3.24; 0.3.25; 0.3.26; 0.3.27; 0.3.28; 0.3.29; 0.3.30; 0.3.31; 0.3.32; 0.3.33; 0.3.34; 0.3.35; 0.3.36; 0.3.37; 0.3.38; 0.3.39; 0.3.40; 0.3.41; 0.3.42; 0.3.43; 0.3.44; 0.3.45; 0.3.46; 0.3.47 Fixed in 0.3.75 Patch available CNA
9router (npm) Vendor— Affected before 0.3.75 Fixed in 0.3.75 Patch available GHSA-xrrh-p7f2-27vm

Remediation

Fix · CNA 9router (decolua) Fixed in 0.3.75
Fix · GHSA-xrrh-p7f2-27vm 9router (npm) Fixed in 0.3.75 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2026-5842
2026-10-03 Alias added: GHSA-xrrh-p7f2-27vm

References

Other 4

TI-2026-36526 9Router: Hardcoded Default fallback JWT Secret Allows Authentication Bypass CVSS 3.1CRITICAL 9.8
TI-2026-34059 9Router: Unauthenticated Remote Code Execution via unprotected MCP custom plugin routes CVSS 3.1CRITICAL 10.0
TI-2026-44499 9Router 0.4.41 - Unauthenticated API Key Exposure via /api/usage/stats CVSS 4.0CRITICAL 9.3
TI-2026-42622 9Router 0.4.41 - Unauthenticated API Exposure via /api/providers CVSS 4.0CRITICAL 9.3
TI-2026-44500 9Router 0.4.41 - Unauthenticated Information Disclosure via API Usage Endpoints CVSS 4.0HIGH 8.7
TI-2026-40860 9Router: Authenticated Server-Side Request Forgery (SSRF) via OIDC Provider Test Endpoint CVSS 3.1HIGH 8.6

See all 25 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences