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CVE-2026-34992

Antrea is a Kubernetes networking solution intended to be Kubernetes native. Prior to 2.4.5 and 2.5.2, a missing encryption vulnerability affects inter-Node Pod traffic. In Antrea clusters configured for dual-stack networking with IPsec encryption enabled (trafficEncryptionMode: ipsec), Antrea fails to apply encryption for IPv6 Pod traffic. While the IPv4 traffic is correctly encrypted via ESP (Encapsulating Security Payload), traffic using IPv6 is transmitted in plaintext. This occurs because t
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:b2c1a7eca7989940ebe98bcb30972124e9392bf057ac17c78275a71ff4874b45
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"antrea","vendor":"antrea-io","versions":[{"status":"affected","version":"< 2.4.5"},{"status":"affected","version":">= 2.5.0, < 2.5.2"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f812cf9859cbc468bf9cac374e4d89dace16ae3ae96a1f016d8b8d0fd3ba2b10 · sha256:c12dfa948257f3c1… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"ADJACENT","baseScore":7.1,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f812cf9859cbc468bf9cac374e4d89dace16ae3ae96a1f016d8b8d0fd3ba2b10 · sha256:c12dfa948257f3c1… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-311","description":"CWE-311: Missing Encryption of Sensitive Data","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f812cf9859cbc468bf9cac374e4d89dace16ae3ae96a1f016d8b8d0fd3ba2b10 · sha256:c12dfa948257f3c1… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"name":"https://github.com/antrea-io/antrea/blob/main/docs/traffic-encryption.md","tags":["x_refsource_MISC"],"url":"https://github.com/antrea-io/antrea/blob/main/docs/traffic-encryption.md"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f812cf9859cbc468bf9cac374e4d89dace16ae3ae96a1f016d8b8d0fd3ba2b10 · sha256:c12dfa948257f3c1… · /containers/cna/references/4
{"name":"https://github.com/antrea-io/antrea/commit/738bad662b20a5d358d19466936176ef580a9b07","tags":["x_refsource_MISC"],"url":"https://github.com/antrea-io/antrea/commit/738bad662b20a5d358d19466936176ef580a9b07"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f812cf9859cbc468bf9cac374e4d89dace16ae3ae96a1f016d8b8d0fd3ba2b10 · sha256:c12dfa948257f3c1… · /containers/cna/references/3
{"name":"https://github.com/antrea-io/antrea/pull/7757","tags":["x_refsource_MISC"],"url":"https://github.com/antrea-io/antrea/pull/7757"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f812cf9859cbc468bf9cac374e4d89dace16ae3ae96a1f016d8b8d0fd3ba2b10 · sha256:c12dfa948257f3c1… · /containers/cna/references/1
{"name":"https://github.com/antrea-io/antrea/pull/7759","tags":["x_refsource_MISC"],"url":"https://github.com/antrea-io/antrea/pull/7759"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f812cf9859cbc468bf9cac374e4d89dace16ae3ae96a1f016d8b8d0fd3ba2b10 · sha256:c12dfa948257f3c1… · /containers/cna/references/2
{"name":"https://github.com/antrea-io/antrea/security/advisories/GHSA-qcmw-8mm4-4p28","tags":["x_refsource_CONFIRM"],"url":"https://github.com/antrea-io/antrea/security/advisories/GHSA-qcmw-8mm4-4p28"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f812cf9859cbc468bf9cac374e4d89dace16ae3ae96a1f016d8b8d0fd3ba2b10 · sha256:c12dfa948257f3c1… · /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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