CVE-2026-6564 | EMQ EMQX Enterprise up to 6.1.0 Session Handling improper authorization

VDB-358201 · SUBMIT #789924 · CVE-2026-6564 EMQ EMQX ENTERPRISE UP TO 6.1.0 SESSION HANDLING IMPROPER AUTHORIZATION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 3.9 $0-$5k 3.10 Summaryinfo A vulnerability marked as critical has been reported in EMQ EMQX Enterprise up to 6.1.0. This affects an unknown function of the component Session Handling. This manipulation causes improper authorization. This vulnerability is handled as CVE-2026-6564. The attack can be initiated remotely. Additionally, an exploit exists. The vendor was contacted early about this disclosure but did not respond in any way. Detailsinfo A vulnerability classified as problematic was found in EMQ EMQX Enterprise up to 6.1.0. Affected by this vulnerability is an unknown code of the component Session Handling. The manipulation with an unknown input leads to a improper authorization vulnerability. The CWE definition for the vulnerability is CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect availability. The advisory is shared at github.com. This vulnerability is known as CVE-2026-6564. The exploitation appears to be easy. The attack can be launched remotely. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1548.002 for this issue. It is possible to download the exploit at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Vendor EMQ Name EMQX Enterprise Version 6.0 6.1.0 CPE 2.3info 🔒 🔒 CPE 2.2info 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 4.3 VulDB Meta Temp Score: 3.9 VulDB Base Score: 4.3 VulDB Temp Score: 3.9 VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Improper authorization CWE: 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: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 04/18/2026 Advisory disclosed 04/18/2026 +0 days VulDB entry created 04/18/2026 +0 days VulDB entry last update Sourcesinfo Advisory: github.com Status: Not defined CVE: CVE-2026-6564 (🔒) GCVE (CVE): GCVE-0-2026-6564 GCVE (VulDB): GCVE-100-358201 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 04/18/2026 18:12 Changes: 04/18/2026 18:12 (55) Complete: 🔍 Submitter: CCCaaa Cache ID: 99:24F:101 Submitinfo Accepted Submit #789924: EMQ Technologies Inc. EMQX Enterprise 6.1.0 Improper Access Control (by CCCaaa) Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸