CVE-2026-48042
Envoy: Stack overflow in destructor of highly nested JSON
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.35.11, 1.36.7, 1.37.3, and 1.38.1, destructor of JSON Object results in stack overflow when deeply O(100K) nested objects are present. This vulnerability is fixed in 1.35.11, 1.36.7, 1.37.3, and 1.38.1.
| CWE | CWE-1124 |
| Vendor | envoyproxy |
| Product | envoy |
| Published | Jun 26, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
envoyproxy / envoy
>= 1.38.0, < 1.38.1 >= 1.37.0, < 1.37.3 >= 1.36.0, < 1.36.7 < 1.35.11