CVE-2026-48042

Summary

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.

Affected Software

VendorProductVersion RangeStatus
envoyproxyenvoy>= 1.38.0, < 1.38.1affected
envoyproxyenvoy>= 1.37.0, < 1.37.3affected
envoyproxyenvoy>= 1.36.0, < 1.36.7affected
envoyproxyenvoy< 1.35.11affected

Weaknesses

  • CWE-1124: CWE-1124: Excessively Deep Nesting

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: poc
    • Automatable: yes
    • Technical Impact: partial

Additional References

References