0xJacky Nginx-UI 2.x MCP Configuration Interface /mcp nginx_config_add authorization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k0.52

Summaryinfo

A vulnerability was found in 0xJacky Nginx-UI 2.x and classified as critical. The impacted element is the function nginx_config_add of the file /mcp of the component MCP Configuration Interface. Executing a manipulation can lead to authorization. This vulnerability is registered as CVE-2026-84319. It is possible to launch the attack remotely. Furthermore, an exploit is available.

Detailsinfo

A vulnerability classified as critical was found in 0xJacky Nginx-UI 2.x. This vulnerability affects the function nginx_config_add of the file /mcp of the component MCP Configuration Interface. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-639. The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-84319. The exploitation appears to be easy. The attack can be initiated remotely. Technical details and also a public exploit are known.

It is possible to download the exploit at github.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-639 / CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/02/2026 Advisory disclosed
10/02/2026 +0 days VulDB entry created
10/02/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-5r62-gj48-897x
Status: Confirmed

CVE: CVE-2026-84319 (🔒)
GCVE (CVE): GCVE-0-2026-84319
GCVE (VulDB): GCVE-100-413200
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/02/2026 20:38
Changes: 10/02/2026 20:38 (57)
Complete: 🔍
Submitter: aleff
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #964370: GitHub nginx-ui 2.x dev branch Authorization Bypass (by aleff)

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