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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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:0f94298cdf754d1d8908ec7a00cb7261c74801a93e736ce4d0bc05ad734e2939
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"envoy","vendor":"envoyproxy","versions":[{"status":"affected","version":">= 1.38.0, < 1.38.1"},{"status":"affected","version":">= 1.37.0, < 1.37.3"},{"status":"affected","version":">= 1.36.0, < 1.36.7"},{"status":"affected","version":"< 1.35.11"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8185a8d96f497719ec5e36c28101edc2374819b1a923345ccfc6a31c4610b8d7 · sha256:56161558104bcd4a… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:8185a8d96f497719ec5e36c28101edc2374819b1a923345ccfc6a31c4610b8d7 · sha256:56161558104bcd4a… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-1124","description":"CWE-1124: Excessively Deep Nesting","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:8185a8d96f497719ec5e36c28101edc2374819b1a923345ccfc6a31c4610b8d7 · sha256:56161558104bcd4a… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/envoyproxy/envoy/blob/099a9d71ebfd8aa9f823e1738b34138cb634a07b/source/common/json/json_loader.h#L21","tags":["x_refsource_MISC"],"url":"https://github.com/envoyproxy/envoy/blob/099a9d71ebfd8aa9f823e1738b34138cb634a07b/source/common/json/json_loader.h#L21"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8185a8d96f497719ec5e36c28101edc2374819b1a923345ccfc6a31c4610b8d7 · sha256:56161558104bcd4a… · /containers/cna/references/1
{"tags":["exploit"],"url":"https://github.com/envoyproxy/envoy/security/advisories/GHSA-f24p-rxw2-g6pv"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8185a8d96f497719ec5e36c28101edc2374819b1a923345ccfc6a31c4610b8d7 · sha256:56161558104bcd4a… · /containers/adp/0/references/0
{"name":"https://github.com/envoyproxy/envoy/security/advisories/GHSA-f24p-rxw2-g6pv","tags":["x_refsource_CONFIRM"],"url":"https://github.com/envoyproxy/envoy/security/advisories/GHSA-f24p-rxw2-g6pv"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8185a8d96f497719ec5e36c28101edc2374819b1a923345ccfc6a31c4610b8d7 · sha256:56161558104bcd4a… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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