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CVE-2026-47847
medium
CVSS 5.3
Vulnerability in mariadb-galera (CVE-2026-47847)
Summary
vulnerability in mariadb-galera (CVE-2026-47847). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `10.6.27-0, 10.11.17-0, 11.4.12-0, 11.8.7-0, 12.3.2-0` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-47847** has been found in mariadb-galera.
Risk of unauthorized operations or information disclosure. CVSS score: 5.3/10.
What to do: upgrade mariadb-galera to **10.6.27-0, 10.11.17-0, 11.4.12-0, 11.8.7-0, 12.3.2-0** or later.
If unsure, ask your IT team or search "mariadb-galera CVE-2026-47847" on the vendor's site.
CVE-2026-47847 (mariadb-galera) — CWE-798 / CVSS v3 5.3
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Patched: `10.6.27-0, 10.11.17-0, 11.4.12-0, 11.8.7-0, 12.3.2-0` — apply immediately
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-798) exists in mariadb-galera.
📍 Affected scope
mariadb-galera — .
🔥 Severity
Severity: Medium (CVSS 5.3/10). Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **10.6.27-0, 10.11.17-0, 11.4.12-0, 11.8.7-0, 12.3.2-0**.
🛡️ Workaround
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
🔍 Detection
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run `grep -r 'mariadb-galera' .` 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 'mariadb-galera' . | 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 `mariadb-galera` 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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6Apply patch patch
Upgrade mariadb-galera to 10.6.27-0, 10.11.17-0, 11.4.12-0, 11.8.7-0, 12.3.2-0ステージング環境で 10.6.27-0, 10.11.17-0, 11.4.12-0, 11.8.7-0, 12.3.2-0 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
Bitnami
mariadb-galera
[{"type":"SEMVER","events":[{"introduced":"10.6.0"},{"fixed":"10.6.27-0"},{"introduced":"10.11.0"},{"fixed":"10.11.17-0"},{"introduced":"11.4.0"},{"fixed":"11.4.12-0"},{"introduced":"11.8.0"},{"fixed":"11.8.7-0"},{"introduced":"12.3.0"},{"fixed":"12.3.2-0"}]}]