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CVE-2026-33381
medium
CVSS 5.9
Vulnerability in grafana (CVE-2026-33381)
Summary
vulnerability in grafana (CVE-2026-33381). Confidential information can be exposed externally. Mitigation: upgrade to `11.6.14, 12.2.8, 12.3.6, 12.4.3, 13.0.1` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-33381** has been found in grafana.
Confidential information can be exposed externally. CVSS score: 5.9/10.
What to do: upgrade grafana to **11.6.14, 12.2.8, 12.3.6, 12.4.3, 13.0.1** or later.
If unsure, ask your IT team or search "grafana CVE-2026-33381" on the vendor's site.
CVE-2026-33381 (grafana) — CWE-284 / CVSS v3 5.9
Attack vector: remote (network-reachable) / no user interaction
Patched: `11.6.14, 12.2.8, 12.3.6, 12.4.3, 13.0.1` — 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-284) exists in grafana.
📍 Affected scope
grafana — .
🔥 Severity
Severity: Medium (CVSS 5.9/10). Confidential information can be exposed externally
🔧 How to fix
Update to **11.6.14, 12.2.8, 12.3.6, 12.4.3, 13.0.1**.
🛡️ 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 'grafana' .` 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 'grafana' . | 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 `grafana` 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 grafana to 11.6.14, 12.2.8, 12.3.6, 12.4.3, 13.0.1ステージング環境で 11.6.14, 12.2.8, 12.3.6, 12.4.3, 13.0.1 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
grafana
[{"type":"SEMVER","events":[{"introduced":"9.2.0"},{"fixed":"11.6.14"},{"introduced":"12.0.0"},{"fixed":"12.2.8"},{"introduced":"12.3.0"},{"fixed":"12.3.6"},{"introduced":"12.4.0"},{"fixed":"12.4.3"},{"introduced":"13.0.0"},{"fixed":"13.0.1"}]}]
go
github.com/grafana/grafana
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.2-0.20260513165311-fb7336fc36c1"}]}]