UpHeron
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Servers and applications

CVE-2025-46821

Bypass of RBAC uri_template permission

Severity
Medium 5.3
Published
7 May 2025
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
1.31.8, 1.32.6, 1.33.3
Also known as
GHSA-c7cm-838g-6g67
Sources
NVD, Project advisories (GitHub)

Description

Envoy is a cloud-native edge/middle/service proxy. Prior to versions 1.34.1, 1.33.3, 1.32.6, and 1.31.8, Envoy's URI template matcher incorrectly excludes the `*` character from a set of valid characters in the URI path. As a result URI path containing the `*` character will not match a URI template expressions. This can result in bypass of RBAC rules when configured using the `uri_template`…

Affected software

SoftwareAffected versions
EnvoyServers and applications · cpe:a:envoyproxy:envoy
  • Every version before 1.31.8
  • From 1.32.0 before 1.32.6
  • From 1.33.0 before 1.33.3
  • Version 1.34.0
EnvoyServers and applications · github:envoyproxy/envoy
  • Every version before 1.31.8

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-46821
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-46821
  • GitHub Advisory Database https://github.com/advisories/GHSA-c7cm-838g-6g67
  • github.com https://github.com/envoyproxy/envoy/security/advisories/GHSA-c7cm-838g-6g67