CVE-2026-48042

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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/envoyproxy/envoy/blob/099a9d71ebfd8aa9f823e1738b34138cb634a07b/source/common/json/json_loader.h#L21	Product
https://github.com/envoyproxy/envoy/security/advisories/GHSA-f24p-rxw2-g6pv	Exploit Vendor Advisory
https://github.com/envoyproxy/envoy/security/advisories/GHSA-f24p-rxw2-g6pv	Exploit Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:envoyproxy:envoy::::::::
	cpe:2.3:a:envoyproxy:envoy::::::::
	cpe:2.3:a:envoyproxy:envoy::::::::
	cpe:2.3:a:envoyproxy:envoy::::::::

History

29 Jun 2026, 18:42

Type	Values Removed	Values Added
CPE		cpe:2.3:a:envoyproxy:envoy::::::::
First Time		Envoyproxy envoy Envoyproxy
References	~~() https://github.com/envoyproxy/envoy/blob/099a9d71ebfd8aa9f823e1738b34138cb634a07b/source/common/json/json_loader.h#L21 -~~	() https://github.com/envoyproxy/envoy/blob/099a9d71ebfd8aa9f823e1738b34138cb634a07b/source/common/json/json_loader.h#L21 - Product
References	~~() https://github.com/envoyproxy/envoy/security/advisories/GHSA-f24p-rxw2-g6pv -~~	() https://github.com/envoyproxy/envoy/security/advisories/GHSA-f24p-rxw2-g6pv - Exploit, Vendor Advisory

29 Jun 2026, 14:16

Type	Values Removed	Values Added
References	~~() https://github.com/envoyproxy/envoy/security/advisories/GHSA-f24p-rxw2-g6pv -~~	() https://github.com/envoyproxy/envoy/security/advisories/GHSA-f24p-rxw2-g6pv -

26 Jun 2026, 18:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-26 18:16

Updated : 2026-06-29 18:42

NVD link : CVE-2026-48042

Mitre link : CVE-2026-48042

CVE.ORG link : CVE-2026-48042

JSON object : View

Products Affected

envoyproxy

envoy

CWE

CWE-1124

Excessively Deep Nesting

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