VDB
CVE-2026-73548
CVE-2026-73548
PUBLISHED
CVSS 7.5 HIGH
Envoy: Cross-user response poisoning via a generic (non-WebSocket) HTTP upgrade on Envoy's shared backend pool
EPSS 0.47% · 38.2th percentile
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score
0.47%
38.2th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Bitnami | envoy | 0, 1.37.0, 1.38.0 |
Timeline
- Aug 26, 2026 CVE Published
- Sep 22, 2026 EPSS Score
- Sep 24, 2026 EPSS Score
- Sep 25, 2026 EPSS Score
- Sep 26, 2026 EPSS Score
- Sep 30, 2026 EPSS Score
- Oct 2, 2026 EPSS Score
- Oct 5, 2026 CVE Updated
- Oct 6, 2026 EPSS Score
- Oct 8, 2026 EPSS Score
References
- https://github.com/envoyproxy/envoy/commit/309855626966cff176155c821043ed3b44671361 url
- https://github.com/envoyproxy/envoy/commit/3c7998545a9c9fb3933a4bc1907d92f0e752bc2b url
- https://github.com/envoyproxy/envoy/commit/4633b8cce3d15b8734eefe232e30c12b0140b91c url
- https://github.com/envoyproxy/envoy/commit/bd6711f2617658e28dfa3df3dace6bfe3cfc0766 url
- https://github.com/envoyproxy/envoy/releases/tag/v1.36.10 url
- https://github.com/envoyproxy/envoy/releases/tag/v1.37.6 url
- https://github.com/envoyproxy/envoy/releases/tag/v1.38.4 url
- https://github.com/envoyproxy/envoy/releases/tag/v1.39.1 url
- https://github.com/envoyproxy/envoy/security/advisories/GHSA-3vhp-c83q-jqc2 url
- https://nvd.nist.gov/vuln/detail/CVE-2026-73548 url