Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Envoyproxy | Envoy | >= 1.18.0, < 1.35.13 |
Related Weaknesses (CWE)
References
- https://github.com/envoyproxy/envoy/blob/099a9d71ebfd8aa9f823e1738b34138cb634a07Product
- https://github.com/envoyproxy/envoy/security/advisories/GHSA-f24p-rxw2-g6pvExploitVendor Advisory
- https://github.com/envoyproxy/envoy/security/advisories/GHSA-f24p-rxw2-g6pvExploitVendor Advisory
FAQ
What is CVE-2026-48042?
CVE-2026-48042 is a vulnerability with a CVSS score of 7.5 (HIGH). 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(1...
How severe is CVE-2026-48042?
CVE-2026-48042 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-48042?
Check the references section above for vendor advisories and patch information. Affected products include: Envoyproxy Envoy.