PT-2026-31584 · Unknown · Decolua 9Router

Cyberthoth · Published 2026-04-09 · Updated 2026-04-10 · CVE-2026-5842

Positive Technologies (AI Summary)

CVSS v2.0

7.5

High

Base vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions decolua 9router versions up to 0.3.47

Description A security issue exists in decolua 9router that allows an attacker to bypass authorization. The vulnerability is located in an unknown function within the /api of the Administrative API Endpoint component. This can be exploited remotely. The exploit has been publicly disclosed.

Recommendations Upgrade to version 0.3.75 to resolve this issue.

Exploit

Fix

IDOR

Improper Authorization

Weakness Enumeration

CWE-639

CWE-285

Related Identifiers

CVE-2026-5842

GHSA-XRRH-P7F2-27VM

Affected Products

Decolua 9Router

References · 12

• 🔥 https://github.com/deepcat1337/Free_Api_Exploit/tree/main · Exploit
• https://github.com/decolua/9router/releases/tag/v0.3.75 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-5842 · Security Note
• https://osv.dev/vulnerability/GHSA-xrrh-p7f2-27vm · Vendor Advisory
• https://github.com/decolua/9router · Note
• https://github.com/decolua/9router/issues/431 · Note
• https://github.com/decolua/9router/issues/431#issuecomment-4140163867 · Note
• https://twitter.com/VulmonFeeds/status/2042211004008804824 · Twitter Post
• https://vuldb.com/vuln/356298/cti · Note
• https://twitter.com/CVEarity/status/2042529917309718944 · Twitter Post
• https://vuldb.com/submit/790003 · Note
• https://vuldb.com/vuln/356298 · Note