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6 vulnerabilities by EMQX
CVE-2026-44725 (GCVE-0-2026-44725)
Vulnerability from cvelistv5 – Published: 2026-08-20 14:35 – Updated: 2026-08-21 21:47
VLAI
EPSS
VEX
Title
EMQX: Stale plugins allow grants amplify a compromised admin/API key to remote code execution
Summary
EMQX is a scalable and reliable MQTT broker for AI, IoT, IIoT, and connected vehicles. Prior to versions 5.8.11, 5.9.3, 5.10.4, 6.0.3, 6.1.2, and 6.2.1, the plugin-install REST API and dashboard upload accepted stale grants created with emqx ctl plugins allow because there was no five-minute grant lifetime or SHA-256 package binding. An attacker with a compromised dashboard administrator credential or API key with plugin-install permission who finds a stale allowed name and version can upload attacker-controlled bytes under the allowed .tar.gz filename through POST /api/v5/plugins/install or the dashboard plugin upload. The broker then installs and runs attacker-controlled Erlang code with the privileges of the EMQX process. This issue is fixed in versions 5.8.11, 5.9.3, 5.10.4, 6.0.3, 6.1.2, and 6.2.1.
Severity
6.6 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-21 21:00 UTC
CWE
Assigner
GitHub_M
CNA
References
10 references
| URL | Tags |
|---|---|
| https://github.com/emqx/emqx/security/advisories/… | x_refsource_CONFIRM |
| https://github.com/emqx/emqx/pull/17200 | x_refsource_MISC |
| https://github.com/emqx/emqx/pull/17201 | x_refsource_MISC |
| https://github.com/emqx/emqx/commit/2f926359fa847… | x_refsource_MISC |
| https://github.com/emqx/emqx/commit/efa1ca1bef151… | x_refsource_MISC |
| https://github.com/emqx/emqx/releases/tag/6.0.3 | x_refsource_MISC |
| https://github.com/emqx/emqx/releases/tag/6.1.2 | x_refsource_MISC |
| https://github.com/emqx/emqx/releases/tag/6.2.1 | x_refsource_MISC |
| https://github.com/emqx/emqx/releases/tag/e5.10.4 | x_refsource_MISC |
| https://github.com/emqx/emqx/releases/tag/e5.8.11 | x_refsource_MISC |
Impacted products
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CVE-2026-30867 (GCVE-0-2026-30867)
Vulnerability from cvelistv5 – Published: 2026-04-02 13:57 – Updated: 2026-04-02 16:23
VLAI
EPSS
VEX
Title
CocoaMQTT: Denial of Service via Reachable Assertion in `PUBLISH` Packet Parsing
Summary
CocoaMQTT is a MQTT 5.0 client library for iOS and macOS written in Swift. Prior to version 2.2.2, a vulnerability exists in the packet parsing logic of CocoaMQTT that allows an attacker (or a compromised/malicious MQTT broker) to remotely crash the host iOS/macOS/tvOS application. If an attacker publishes the 4-byte malformed payload to a shared topic with the RETAIN flag set to true, the MQTT broker will persist the payload. Any time a vulnerable client connects and subscribes to that topic, the broker will automatically push the malformed packet. The app will instantly crash in the background before the user can even interact with it. This effectively "bricks" the mobile application (a persistent DoS) until the retained message is manually wiped from the broker database. This issue has been patched in version 2.2.2.
Severity
5.7 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-02 16:18 UTC
CWE
- CWE-617 - Reachable Assertion
Assigner
GitHub_M
CNA
References
4 references
| URL | Tags |
|---|---|
| https://github.com/emqx/CocoaMQTT/security/adviso… | x_refsource_CONFIRM |
| https://github.com/emqx/CocoaMQTT/pull/659 | x_refsource_MISC |
| https://github.com/emqx/CocoaMQTT/commit/010bca6f… | x_refsource_MISC |
| https://github.com/emqx/CocoaMQTT/releases/tag/2.2.2 | x_refsource_MISC |
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CVE-2025-62413 (GCVE-0-2025-62413)
Vulnerability from cvelistv5 – Published: 2025-10-16 18:00 – Updated: 2025-10-16 18:36
VLAI
EPSS
VEX
Title
MQTTX vulnerable to cross-site scripting via improper message payload rendering
Summary
MQTTX is an MQTT 5.0 desktop client and MQTT testing tool. A Cross-Site Scripting (XSS) vulnerability was introduced in MQTTX v1.12.0 due to improper handling of MQTT message payload rendering. Malicious payloads containing HTML or JavaScript could be rendered directly in the MQTTX message viewer. If exploited, this could allow attackers to execute arbitrary scripts in the context of the application UI — for example, attempting to access MQTT connection credentials or trigger unintended actions through script injection. This vulnerability is especially relevant when MQTTX is used with brokers in untrusted or multi-tenant environments, where message content cannot be fully controlled. This vulnerability is fixed in 1.12.1.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-16 18:36 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
GitHub_M
CNA
References
2 references
| URL | Tags |
|---|---|
| https://github.com/emqx/MQTTX/security/advisories… | x_refsource_CONFIRM |
| https://github.com/emqx/MQTTX/commit/2963f78a4b32… | x_refsource_MISC |
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CVE-2025-52136 (GCVE-0-2025-52136)
Vulnerability from cvelistv5 – Published: 2025-08-10 00:00 – Updated: 2025-08-12 14:27 Disputed
VLAI
EPSS
VEX
Summary
In EMQX before 5.8.6, administrators can install arbitrary novel plugins via the Dashboard web interface. NOTE: the Supplier's position is that this is the intended behavior; however, 5.8.6 adds a defense-in-depth feature in which a plugin's acceptability (for later Dashboard installation) is set by the "emqx ctl plugins allow" CLI command.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-08-12 14:27 UTC
CWE
- CWE-754 - Improper Check for Unusual or Exceptional Conditions
Assigner
mitre
CNA
References
Impacted products
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CVE-2024-10965 (GCVE-0-2024-10965)
Vulnerability from cvelistv5 – Published: 2024-11-07 17:00 – Updated: 2024-11-08 16:43
VLAI
EPSS
VEX
Title
emqx neuron JSON File schema information disclosure
Summary
A vulnerability classified as problematic was found in emqx neuron up to 2.10.0. Affected by this vulnerability is an unknown functionality of the file /api/v2/schema of the component JSON File Handler. The manipulation leads to information disclosure. The attack can be launched remotely. The patch is named c9ce39747e0372aaa2157b2b56174914a12c06d8. It is recommended to apply a patch to fix this issue.
Severity
4.3 (Medium)
4.3 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-11-08 16:41 UTC
Assigner
VulDB
CNA
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.283411 | vdb-entry |
| https://vuldb.com/?ctiid.283411 | signaturepermissions-required |
| https://vuldb.com/?submit.435375 | third-party-advisory |
| https://github.com/emqx/neuron/issues/2281 | issue-tracking |
| https://github.com/emqx/neuron/pull/2282 | issue-tracking |
| https://github.com/fengzeroz/neuron/commit/c9ce39… | patch |
Impacted products
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},
{
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"version": "2.3"
},
{
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},
{
"status": "affected",
"version": "2.5"
},
{
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},
{
"status": "affected",
"version": "2.7"
},
{
"status": "affected",
"version": "2.8"
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{
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"version": "2.9"
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{
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"version": "2.10"
}
]
}
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"value": "A vulnerability classified as problematic was found in emqx neuron up to 2.10.0. Affected by this vulnerability is an unknown functionality of the file /api/v2/schema of the component JSON File Handler. The manipulation leads to information disclosure. The attack can be launched remotely. The patch is named c9ce39747e0372aaa2157b2b56174914a12c06d8. It is recommended to apply a patch to fix this issue."
},
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"lang": "de",
"value": "In emqx neuron bis 2.10.0 wurde eine problematische Schwachstelle entdeckt. Das betrifft eine unbekannte Funktionalit\u00e4t der Datei /api/v2/schema der Komponente JSON File Handler. Durch das Manipulieren mit unbekannten Daten kann eine information disclosure-Schwachstelle ausgenutzt werden. Der Angriff kann \u00fcber das Netzwerk angegangen werden. Der Patch wird als c9ce39747e0372aaa2157b2b56174914a12c06d8 bezeichnet. Als bestm\u00f6gliche Massnahme wird Patching empfohlen."
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CVE-2024-10964 (GCVE-0-2024-10964)
Vulnerability from cvelistv5 – Published: 2024-11-07 17:00 – Updated: 2024-11-08 16:54
VLAI
EPSS
VEX
Title
emqx neuron plugin_handle.c handle_add_plugin buffer overflow
Summary
A vulnerability classified as critical has been found in emqx neuron up to 2.10.0. Affected is the function handle_add_plugin in the library cmd.library of the file plugins/restful/plugin_handle.c. The manipulation leads to buffer overflow. It is possible to launch the attack remotely. It is recommended to apply a patch to fix this issue.
Severity
6.3 (Medium)
6.3 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-11-08 16:53 UTC
Assigner
VulDB
CNA
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.283410 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.283410 | signaturepermissions-required |
| https://vuldb.com/?submit.435372 | third-party-advisory |
| https://github.com/emqx/neuron/issues/2280 | issue-tracking |
| https://github.com/emqx/neuron/pull/2286 | issue-tracking |
| https://github.com/emqx/neuron/pull/2286/commits/… | issue-trackingpatch |
Impacted products
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"vendor": "emqx",
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{
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{
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{
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{
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{
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{
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},
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