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CVE-2026-33811
high
CVSS 7.5
golang の脆弱性 (CVE-2026-33811)
概要
golang に 脆弱性 (CVE-2026-33811) が存在。不正な操作・情報露出のリスクがあります。対策: `1.25.10, 1.26.3` 以上に更新。
AI要約 snake-internal / snake-material-v2
golang という製品で、CVE-2026-33811 という番号がついた弱点 (脆弱性) が見つかりました。
不正な操作・情報露出のリスクがあります。重要度は CVSS スコア 7.5/10 です。
対策: golang を **1.25.10, 1.26.3** 以上に更新してください。
心配なら、システム担当者や製品の公式サイトで「golang CVE-2026-33811」を検索してください。
CVE-2026-33811 (golang) — CWE-415 / CVSS v3 7.5
攻撃ベクター: ネットワーク経由 (リモート攻撃可) / 認証不要 / 被害者操作不要
修正バージョン: `1.25.10, 1.26.3` (即時適用推奨)
対応方針: 1) SBOMで影響バージョン横断確認, 2) ステージング検証→本番更新, 3) WAF/プロキシで該当エンドポイントを監視, 4) ログでIOC調査。
参考: 当ページの『参照URL』の GHSA / vendor advisory / patched release を参照。
❓ 何が問題か
golang に **脆弱性** (CWE-415) があります。
📍 影響範囲
golang のうち 。
🔥 重要度
重要度: 重要 (CVSS 7.5/10)。不正な操作・情報露出のリスクがあります
🔧 修正方法
**1.25.10, 1.26.3** に更新してください。
🛡️ 暫定回避
修正版が未提供時は、影響機能の無効化・WAFルール・ネットワークACLでの遮断を検討。
🔍 検知方法
Webサーバ・プロキシ・WAFログで該当CVEのIOCに合致する不審リクエストを検索。SBOM/依存ファイルで影響バージョンを横断確認。
対応アクション (7段階)
SOC/SREチームが順番に実行すべき具体的なステップとコマンド例
-
1影響範囲の特定 identify
grep -r 'golang' . | 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 `golang` 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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6パッチ適用 patch
Upgrade golang to 1.25.10, 1.26.3ステージング環境で 1.25.10, 1.26.3 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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7事後検証 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。
影響パッケージ
Bitnami
golang
[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.25.10"},{"introduced":"1.26.0-0"},{"fixed":"1.26.3"}]}]
Go
stdlib
[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.25.10"},{"introduced":"1.26.0-0"},{"fixed":"1.26.3"}]}]
参照URL
- web https://go.dev/cl/767860
- web https://go.dev/issue/78803
- web https://groups.google.com/g/golang-announce/c/qcCIEXso47M
- web https://pkg.go.dev/vuln/GO-2026-4981
- web https://nvd.nist.gov/vuln/detail/CVE-2026-33811
- web https://github.com/advisories/GHSA-497x-jcxf-m478
- web https://access.redhat.com/errata/RHSA-2026:23262
- web https://access.redhat.com/errata/RHSA-2026:23264
- web https://access.redhat.com/errata/RHSA-2026:33120
- web https://access.redhat.com/errata/RHSA-2026:33123
- web https://access.redhat.com/errata/RHSA-2026:33142
- web https://access.redhat.com/errata/RHSA-2026:33150
- web https://access.redhat.com/security/cve/CVE-2026-33811
- web https://bugzilla.redhat.com/show_bug.cgi?id=2467822
- web https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-33811.json
- web https://access.redhat.com/errata/RHSA-2026:33574
- web https://access.redhat.com/errata/RHSA-2026:34364
- web https://access.redhat.com/errata/RHSA-2026:34359
- web https://access.redhat.com/errata/RHSA-2026:34357
- web https://access.redhat.com/errata/RHSA-2026:35832
- web https://access.redhat.com/errata/RHSA-2026:35995
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- web https://access.redhat.com/errata/RHSA-2026:36625
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