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CVE-2026-73553 Envoy: RBAC Authorization Bypass via Path Parameters

🗓️ 21 Sep 2026 20:18:47Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 46 Views

Unauthenticated RBAC bypass in Envoy via inconsistent path parameter canonicalization.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
nessus
Tenable Nessus
Amazon Linux 2023 : ecs-service-connect-agent (ALAS2023-2026-2149)
14 Sep 202600:00
–nessus
nessus
Tenable Nessus
Amazon Linux 2 : ecs-service-connect-agent (ALASECS-2026-137)
14 Sep 202600:00
–nessus
amazon
Amazon
Important: ecs-service-connect-agent
14 Sep 202600:00
–amazon
amazon
Amazon
Important: ecs-service-connect-agent
14 Sep 202600:00
–amazon
cve
CVE
CVE-2026-73553
21 Sep 202620:18
–cve
euvd
EUVD
EUVD-2026-84120
21 Sep 202620:18
–euvd
mend
Mend
CVE-2026-73553
21 Sep 202620:18
–mend
nvd
NVD
CVE-2026-73553
21 Sep 202621:17
–nvd
opensuse
OPENSUSE Linux
istioctl-1.30.4-1.1 on GA media (moderate)
31 Aug 202600:00
–opensuse
osv
OSV
BIT-ENVOY-2026-73553 Envoy: RBAC Authorization Bypass via Path Parameters
29 Sep 202608:43
–osv
Rows per page
[
  {
    "vendor": "envoyproxy",
    "product": "envoy",
    "versions": [
      {
        "version": "< 1.36.10",
        "status": "affected"
      },
      {
        "version": ">= 1.37.0, < 1.37.6",
        "status": "affected"
      },
      {
        "version": ">= 1.38.0, < 1.38.4",
        "status": "affected"
      },
      {
        "version": ">= 1.39.0, < 1.39.1",
        "status": "affected"
      }
    ]
  }
]

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21 Sep 2026 20:18Current
CVSS 3.17.5
EPSS0.00507
SSVC
46