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CVE-2026-48042 — HIGH severity vulnerability | Release Alert

CVE-2026-48042

7.5

HIGHCVSS v3

Published

June 26, 2026

Affected

9 projects

Assigned by

GitHub

Severity scale

010

Description

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.

envoyproxy/envoy

GitHubCloud-native high-performance edge/middle/service proxy

>= 1.18.0, < 1.35.13, >= 1.36.0, < 1.36.9, >= 1.37.0, < 1.37.5, >= 1.38.0, < 1.38.3NVD

GitHubFork of Envoy used for testing and tinkering as part of the Istio dev process

>= 1.18.0, < 1.35.13, >= 1.36.0, < 1.36.9, >= 1.37.0, < 1.37.5, >= 1.38.0, < 1.38.3NVD

More on this CVE

NVD↗GitHub Advisory↗

Python Package IndexSimple API for running external processes.

>= 1.18.0, < 1.35.13, >= 1.36.0, < 1.36.9, >= 1.37.0, < 1.37.5, >= 1.38.0, < 1.38.3NVD

NuGet GalleryWith the mediator pattern, communication between objects is encapsulated within a mediator object. Objects no longer communicate directly with each other, but instead communicate through the mediator. This reduces the dependencies between communicating objects, thereby reducing coupling.

>= 1.18.0, < 1.35.13, >= 1.36.0, < 1.36.9, >= 1.37.0, < 1.37.5, >= 1.38.0, < 1.38.3NVD

Crates.ioConveniences for manipulating environment variables.

>= 1.18.0, < 1.35.13, >= 1.36.0, < 1.36.9, >= 1.37.0, < 1.37.5, >= 1.38.0, < 1.38.3NVD

not-kennethreitz/envoy

GitHubPython Subprocesses for Humans™.

>= 1.18.0, < 1.35.13, >= 1.36.0, < 1.36.9, >= 1.37.0, < 1.37.5, >= 1.38.0, < 1.38.3NVD

NPMBetter Deployment with Node.js

>= 1.18.0, < 1.35.13, >= 1.36.0, < 1.36.9, >= 1.37.0, < 1.37.5, >= 1.38.0, < 1.38.3NVD

RubyGemsA simple, extendable messaging system built for deployments

>= 1.18.0, < 1.35.13, >= 1.36.0, < 1.36.9, >= 1.37.0, < 1.37.5, >= 1.38.0, < 1.38.3NVD

GitHubA simple, extendable messaging system designed for deployments

>= 1.18.0, < 1.35.13, >= 1.36.0, < 1.36.9, >= 1.37.0, < 1.37.5, >= 1.38.0, < 1.38.3NVD