NULL pointer dereference in Envoyproxy Envoy
CVE-2026-47204
Envoy is an open source edge and service proxy designed for cloud-native applications. From 1.26.0 until 1.35.13, 1.36.9, 1.37.5, and 1.38.3, the envoy.filters.http.grpc_stats filter crashes (null pointer dereference / segfault) when a Con…
EPSS: 0.003 (22.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Envoyproxy Envoy — versions >= 1.38.0, < 1.38.3, >= 1.37.0, < 1.37.5, >= 1.36.0, < 1.36.9
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-47204?
- CVE-2026-47204 is a medium-severity vulnerability in Envoyproxy Envoy, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2026-06-26.
- How severe is CVE-2026-47204?
- Medium severity. CVSS v3 base score is 6.5 out of 10.