Skip to main content

Emqx Enterprise EUVD-2026-23692

| CVE-2026-6564 LOW
Improper Authorization (CWE-285)
2026-04-19 VulDB GHSA-vqmj-h423-xx64
2.1
CVSS 4.0 · NVD

Severity by source

NVD PRIMARY
2.1 LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/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
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

8
Severity Changed
Apr 29, 2026 - 01:12 NVD
MEDIUM LOW
CVSS changed
Apr 29, 2026 - 01:12 NVD
5.3 (MEDIUM) 2.1 (LOW)
PoC Detected
Apr 29, 2026 - 01:00 vuln.today
Public exploit code
CVSS changed
Apr 19, 2026 - 10:22 NVD
4.3 (MEDIUM) 5.3 (MEDIUM)
Analysis Generated
Apr 19, 2026 - 10:04 vuln.today
EUVD ID Assigned
Apr 19, 2026 - 10:00 euvd
EUVD-2026-23692
Analysis Generated
Apr 19, 2026 - 10:00 vuln.today
CVE Published
Apr 19, 2026 - 09:30 nvd
LOW 2.1

DescriptionCVE.org

A vulnerability was found in EMQ EMQX Enterprise up to 6.1.0. The impacted element is an unknown function of the component Session Handling. The manipulation results in improper authorization. It is possible to launch the attack remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

AnalysisAI

Improper authorization in EMQ EMQX Enterprise 6.0-6.1.0 allows authenticated remote attackers to trigger a denial-of-service condition via unspecified manipulation of the Session Handling component. CVSS 4.3 with attack vector AV:N/AC:L/PR:L reflects network-exploitable impact limited to availability; publicly available exploit code exists but active exploitation has not been confirmed by CISA KEV. …

Unlock full vulnerability intelligence

  • Risk assessment & exploitation conditions
  • Attack chain visualization
  • Remediation with exact patch versions
  • Threat intelligence from 22 sources
  • Personal watchlist & email alerts

Free forever · No credit card required

Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Obtain valid EMQX credentials
Delivery
Authenticate to broker over network
Exploit
Send session manipulation request
Execution
Trigger authorization bypass in Session Handling
Impact
Cause denial of service condition

Vulnerability AssessmentAI

Exploitation Exploitation requires a valid authenticated session on the EMQX Enterprise broker (PR:L in CVSS indicates 'low privilege' level credentials are sufficient-typically a standard user account rather than admin). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment This vulnerability presents low-to-moderate real-world risk despite network accessibility. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker with valid EMQX Enterprise credentials (obtained via compromised user account, shared team access, or supply-chain relationship) authenticates to the broker and sends a specially crafted session manipulation request targeting the Session Handling component. The improper authorization flaw allows the attacker to trigger an unexpected state or resource exhaustion condition, causing the broker to become unresponsive to legitimate clients. …
Remediation Upgrade EMQ EMQX Enterprise to a patched version released by EMQ post-2026. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

Share

EUVD-2026-23692 vulnerability details – vuln.today

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy