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CVE-2026-34992
Vulnerability in antrea.io/antrea (CVE-2026-34992)
Summary
vulnerability in antrea.io/antrea (CVE-2026-34992). Confidential information can be exposed externally. Mitigation: upgrade to `1.11.0-alpha.0.0.20260225185322-738bad662b20` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-34992** has been found in antrea.io/antrea.
Confidential information can be exposed externally. CVSS score: ?/10.
What to do: upgrade antrea.io/antrea to **1.11.0-alpha.0.0.20260225185322-738bad662b20** or later.
If unsure, ask your IT team or search "antrea.io/antrea CVE-2026-34992" on the vendor's site.
CVE-2026-34992 (antrea.io/antrea) — CWE-311 /
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Patched: `1.11.0-alpha.0.0.20260225185322-738bad662b20` — apply immediately
Workaround: There is no configuration workaround to enable IPsec IPv6 in affected versions.
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
❓ What is the problem
**A vulnerability** (CWE-311) exists in antrea.io/antrea.
📍 Affected scope
antrea.io/antrea — .
🔥 Severity
Severity: ?. Confidential information can be exposed externally
🔧 How to fix
Update to **1.11.0-alpha.0.0.20260225185322-738bad662b20**.
🛡️ Workaround
Workaround: There is no configuration workaround to enable IPsec IPv6 in affected versions.
🔍 Detection
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run `grep -r 'antrea.io/antrea' .` against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response Actions (7 steps)
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
grep -r 'antrea.io/antrea' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で `antrea.io/antrea` を grep し、稼働しているサービス・バージョンを把握する。
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5Apply temporary workaround mitigate
There is no configuration workaround to enable IPsec IPv6 in affected versions.パッチが適用されるまでの応急処置として、There is no configuration workaround to enable IPsec IPv6 in affected versions. を実施。回避策の副作用 (機能低下) を確認した上で。
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6Apply patch patch
Upgrade antrea.io/antrea to 1.11.0-alpha.0.0.20260225185322-738bad662b20ステージング環境で 1.11.0-alpha.0.0.20260225185322-738bad662b20 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスと、Step 3 で見つけた異常検知の続報チェックを含めること。
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7Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番では Step 3 と同じログクエリでアラート再発が無いか継続監視。
Affected packages
Go
antrea.io/antrea
[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.11.0-alpha.0.0.20260225185322-738bad662b20"}]}]
References
- advisory https://nvd.nist.gov/vuln/detail/CVE-2026-34992
- package https://github.com/antrea-io/antrea
- web https://github.com/antrea-io/antrea/security/advisories/GHSA-qcmw-8mm4-4p28
- web https://github.com/antrea-io/antrea/blob/main/docs/traffic-encryption.md
- web https://github.com/antrea-io/antrea/commit/738bad662b20a5d358d19466936176ef580a9b07
- web https://github.com/antrea-io/antrea/pull/7757
- web https://github.com/antrea-io/antrea/pull/7759