| Package | Affected versions | Patched versions |
|---|---|---|
| envoy | ≥ 1.26.0, < 1.26.7≥ 1.27.0, < 1.27.3≥ 1.28.0, < 1.28.1≥ 1.29.0, < 1.29.1 | 1.26.71.27.31.28.11.29.1 |
Envoy is a high-performance edge/middle/service proxy. External authentication can be bypassed by downstream connections. Downstream clients can force invalid gRPC requests to be sent to ext_authz, circumventing ext_authz checks when failure_mode_allow is set to true. This issue has been addressed in released 1.29.1, 1.28.1, 1.27.3, and 1.26.7. Users are advised to upgrade. There are no known workarounds for this vulnerability.
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