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.
CVE-2026-44725
This medium-severity CVE scores 6.6 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.3%, top 83% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.6
- EG Score
- 6.6(medium)
- EG Risk
- 30(Track)EG Risk 30/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity66% × 45%Exploitation0% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 17%
- KEV
- Not listed
Published
August 20, 2026
Last Modified
August 21, 2026
Advisory Details (10)
Auto-updated Aug 20, 2026EMQX Enterprise 5.8.11
Patch available: emqx/emqx e5.8.11
https://github.com/emqx/emqx/releases/tag/e5.8.11EMQX Enterprise 5.10.4
Patch available: emqx/emqx e5.10.4
https://github.com/emqx/emqx/releases/tag/e5.10.4EMQX Enterprise 6.2.1
Patch available: emqx/emqx 6.2.1
https://github.com/emqx/emqx/releases/tag/6.2.1EMQX Enterprise 6.1.2
Patch available: emqx/emqx 6.1.2
https://github.com/emqx/emqx/releases/tag/6.1.2EMQX Enterprise 6.0.3
Patch available: emqx/emqx 6.0.3
https://github.com/emqx/emqx/releases/tag/6.0.3commit efa1ca1bef15 (emqx/emqx)
Fix landed in emqx/emqx commit efa1ca1bef15 — awaiting tagged release
https://github.com/emqx/emqx/commit/efa1ca1bef1517f1f87e1d562f8db8750b6d6ce3commit 2f926359fa84 (emqx/emqx)
Fix landed in emqx/emqx commit 2f926359fa84 — awaiting tagged release
https://github.com/emqx/emqx/commit/2f926359fa847dd9928a8e94d3e342f5621806f4feat(plugins): TTL and sha256-pinning for install allowlist + zip-slip fix
Fix merged in emqx/emqx PR #17201 on 2026-05-05 — awaiting tagged release
https://github.com/emqx/emqx/pull/17201feat(plugins): TTL and sha256-pinning for install allowlist + zip-slip fix
Fix merged in emqx/emqx PR #17200 on 2026-05-04 — awaiting tagged release
https://github.com/emqx/emqx/pull/17200Stale plugins allow grants amplify a compromised admin/API key to remote code execution · Advisory · emqx/emqx · GitHub
https://github.com/emqx/emqx/security/advisories/GHSA-cp9x-5qwc-fj6rWeakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 12× in last 7d / 12× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-08-25 15:07 UTCEG score recompute
- 2026-08-25 13:49 UTCEPSS rescore
- 2026-08-24 16:57 UTCEG score recompute
- 2026-08-23 18:42 UTCEG score recompute
- 2026-08-23 00:19 UTCEPSS rescore
- 2026-08-22 20:34 UTCEG score recompute
- 2026-08-21 23:49 UTCEPSS rescore
- 2026-08-21 22:26 UTCEG score recompute
- 2026-08-21 22:00 UTCEG score recompute
- 2026-08-20 15:27 UTCEG score recompute
- 2026-08-20 14:42 UTCEG score recompute
- 2026-08-20 14:41 UTCMITRE cvelistV5first tracked
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Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-44725
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