CVE-2026-5842decolua 9router Administrative API Endpoint api authorization
- 6.9MediumCVSS base score
- 0.41%Exploitation in 30 daysEPSS · top 65% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- YesPublic exploitsa reference or SSVC says so
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. A reference of the record is tagged as an exploit.
Show the exploits1
References tagged exploit1 reference
Timeline
ID reserved
By VulDB
- 1 day later
· 1 day later
Published
- 4 days later
· 4 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| VulDBCNA (assigner) | 4.0 | Medium6.9 | 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 |
| VulDBCNA (assigner) | 3.1 | High7.3 | 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 |
| VulDBCNA (assigner) | 3.0 | High7.3 | 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 |
| VulDBCNA (assigner) | 2.0 | High7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C |
| NVDNVD · Deferred | 4.0 | Medium5.5 | 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/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 |
- EPSS (exploitation in 30 days)
- 0.41% · top 65% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.9.
Affected products
- affected 0.3.0
- affected 0.3.1
- affected 0.3.2
- affected 0.3.3
- affected 0.3.4
- affected 0.3.5
- affected 0.3.6
- affected 0.3.7
- affected 0.3.8
- affected 0.3.9
- affected 0.3.10
- affected 0.3.11
- affected 0.3.12
- affected 0.3.13
- affected 0.3.14
- affected 0.3.15
- affected 0.3.16
- affected 0.3.17
- affected 0.3.18
- affected 0.3.19
- affected 0.3.20
- affected 0.3.21
- affected 0.3.22
- affected 0.3.23
- affected 0.3.24
- affected 0.3.25
- affected 0.3.26
- affected 0.3.27
- affected 0.3.28
- affected 0.3.29
- affected 0.3.30
- affected 0.3.31
- affected 0.3.32
- affected 0.3.33
- affected 0.3.34
- affected 0.3.35
- affected 0.3.36
- affected 0.3.37
- affected 0.3.38
- affected 0.3.39
- and 9 more
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- npm9routerGHSA-xrrh-p7f2-27vm (opens in a new tab)
References
References8
- VDB-356298 | decolua 9router Administrative API Endpoint api authorization (opens in a new tab)vdb-entry
- VDB-356298 | CTI Indicators (IOB, IOC, IOA) (opens in a new tab)signaturepermissions-required
- Submit #790003 | 9Router Router 0.3.47-0.3.32 Authorization Bypass (opens in a new tab)third-party-advisory
- https://github.com/decolua/9router/issues/431 (opens in a new tab)issue-tracking
- https://github.com/decolua/9router/issues/431#issuecomment-4140163867 (opens in a new tab)issue-tracking
- https://github.com/deepcat1337/Free_Api_Exploit/tree/main (opens in a new tab)exploit
- https://github.com/decolua/9router/releases/tag/v0.3.75 (opens in a new tab)patch
- https://github.com/decolua/9router/ (opens in a new tab)product
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-20853 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-xrrh-p7f2-27vm (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-5842)Record last updated .