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CVE-2026-28383 medium CVSS 6.5

Vulnerability in grafana (CVE-2026-28383)

Summary

Vulnerability in grafana (CVE-2026-28383). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to 11.6.14, 12.2.8, 12.3.6, 12.4.3, 13.0.1 or later.

Original description

The description as published by the source.

A request to the Grafana plugin resources endpoint can cause unbounded memory allocation by reading the entire request body into memory. An authenticated user can exploit this to trigger an out-of-memory condition, potentially causing a denial of service.

Source: GitHub Security Advisories (Global) NVD GitHub Advisory

Auto-generated summary

Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.

A vulnerability tracked as CVE-2026-28383 has been found in grafana.
Risk of unauthorized operations or information disclosure. CVSS score: 6.5/10.
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-2026-28383" on the vendor's site.

CVE-2026-28383 (grafana) — CWE-770 / CVSS v3 6.5
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-770) exists in grafana.

📍 Affected scope

Check the vendor advisory for the affected versions of grafana.

🔥 Severity

Severity: Medium (CVSS 6.5/10). Risk of unauthorized operations or information disclosure.

🔧 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

Concrete steps and command examples for SOC/SRE teams to execute in order

  1. 1
    Identify 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。

  2. 2
    Apply 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を含めること。

  3. 3
    Post-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。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。

Affected packages

Bitnami grafana
[{"type":"SEMVER","events":[{"introduced":"6.7.0"},{"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"}]}]

Fix status by distribution

Fixed packages published by each distribution for this CVE

References

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