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CVE-2026-33217 NATS allows MQTT clients to bypass ACL checks

🗓️ 25 Mar 2026 19:43:40Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 21 Views

NATS prior to versions 2.11.15 and 2.12.6 bypassed access control for MQTT subject checks; fixed.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-33217
25 Mar 202619:43
attackerkb
AlpineLinux
CVE-2026-33217
25 Mar 202619:43
alpinelinux
Chainguard
CVE-2026-33217 vulnerabilities
25 Mar 202619:17
cgr
Circl
CVE-2026-33217
25 Mar 202619:16
circl
CNNVD
Nats-Server 安全漏洞
25 Mar 202600:00
cnnvd
CVE
CVE-2026-33217
25 Mar 202619:43
cve
Debian CVE
CVE-2026-33217
25 Mar 202619:43
debiancve
Github Security Blog
NATS allows MQTT clients to bypass ACL checks
24 Mar 202621:44
github
NVD
CVE-2026-33217
25 Mar 202620:16
nvd
OSV
BIT-NATS-2026-33217 NATS allows MQTT clients to bypass ACL checks
27 Mar 202617:45
osv
Rows per page
[
  {
    "vendor": "nats-io",
    "product": "nats-server",
    "versions": [
      {
        "version": "< 2.11.15",
        "status": "affected"
      },
      {
        "version": ">= 2.12.0-RC.1, < 2.12.6",
        "status": "affected"
      }
    ]
  }
]

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25 Mar 2026 19:49Current
CVSS 3.17.1
EPSS0.00036
21