Vulnerability in github.com/grafana/grafana (CVE-2026-21727)
Summary
Vulnerability in github.com/grafana/grafana (CVE-2026-21727). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to 1.9.2-0.20260127141016-e702db6096e0 or later.
Original description
The description as published by the source.
Grafana legacy correlations allow cross-tenant disclosure and deletion in github.com/grafana/grafana.
NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions.
(If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.)
The additional affected modules and versions are: github.com/grafana/grafana before v1.9.2-0.20260127141016-e702db6096e0.
Source: NIST National Vulnerability Database 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-2026-21727 has been found in github.com/grafana/grafana.
Risk of unauthorized operations or information disclosure. CVSS score: 3.3/10.
What to do: upgrade github.com/grafana/grafana to 1.9.2-0.20260127141016-e702db6096e0 or later.
If unsure, ask your IT team or search "github.com/grafana/grafana CVE-2026-21727" on the vendor's site.
CVE-2026-21727 (github.com/grafana/grafana) — CWE-732 / CVSS v3 3.3
Attack vector: remote (network-reachable) / no user interaction
Patched: 1.9.2-0.20260127141016-e702db6096e0 — 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.
A vulnerability (CWE-732) exists in github.com/grafana/grafana.
Check the vendor advisory for the affected versions of github.com/grafana/grafana.
Severity: Low (CVSS 3.3/10). Risk of unauthorized operations or information disclosure.
Update to 1.9.2-0.20260127141016-e702db6096e0.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run grep -r 'github.com/grafana/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
-
1Identify exposure identify
grep -r 'github.com/grafana/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
github.com/grafana/grafanaを grep し、稼働しているサービス・バージョンを把握する。 -
2Apply patch patch
Upgrade github.com/grafana/grafana to 1.9.2-0.20260127141016-e702db6096e0ステージング環境で 1.9.2-0.20260127141016-e702db6096e0 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。
-
3Post-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
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Ubuntu UBUNTU-CVE-2026-21727 grafana
References
- advisory nvd.nist.gov
- advisory github.com
- package github.com
- patch github.com
- patch github.com
- patch github.com
- patch github.com
- patch github.com
- patch github.com
- web grafana.com