CVE-2026-50572 | Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy's HTTP external-authorization client can retain a stale request callback after a request is rejected. When RawHttpClientImpl::onSuccess later processes the authorization response, it can invoke callbacks_ after the callback owner has been destroyed, causing a use-after-free and process crash under production traffic. The r
Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy's HTTP external-authorization client can retain a stale request callback after a request is rejected. When RawHttpClientImpl::onSuccess later processes the authorization response, it can invoke callbacks_ after the callback owner has been destroyed, causing a use-after-free and process crash under production traffic. The relevant scope boundary is that the vulnerable path uses the HTTP ext_authz client; the advisory does not establish the same trigger for unrelated filters. This issue is fixed in versions 1.36.10, 1.37.6, 1.38.4, and 1.39.1.
- 🔗 github.com/envoyproxy/envoy/security/advisories/GHSA…
- 🔗 github.com/envoyproxy/envoy/commit/8dacef38337aeffd6…
- 🔗 github.com/envoyproxy/envoy/commit/a49085623654e27e9…
- 🔗 github.com/envoyproxy/envoy/commit/c1b29534a294cb099…
- 🔗 github.com/envoyproxy/envoy/commit/c524571ffad517ba6…
- 🔗 github.com/envoyproxy/envoy/releases/tag/v1.36.10
- 🔗 github.com/envoyproxy/envoy/releases/tag/v1.37.6
- 🔗 github.com/envoyproxy/envoy/releases/tag/v1.38.4
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📊 Historien-Charts — Criticals-Trend · Vendors · EPSS-Verteilung
| Tier | 2026-09-04 | 2026-09-21 |
|---|---|---|
| ≥90 % | 0 | 488 |
| ≥50 % | 0 | 1471 |
| ≥10 % | 0 | 7 |
| <10 % | 300 | 0 |
CVE-2026-50572 | Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy's HTTP external-authorization client can retain a stale request callback after a request is rejected. When RawHttpClientImpl::onSuccess later processes the authorization response, it can invoke callbacks_ after the callback owner has been destroyed, causing a use-after-free and process crash under production traffic. The r
Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy's HTTP external-authorization client can retain a stale request callback after a request is rejected.
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