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CVE-2026-41145
Authentication Bypass in github.com/minio/minio (CVE-2026-41145)
Summary
authentication bypass in github.com/minio/minio (CVE-2026-41145). Data can be tampered with by attackers.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-41145** has been found in github.com/minio/minio.
Data can be tampered with by attackers. CVSS score: ?/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "github.com/minio/minio CVE-2026-41145" on the vendor's site.
CVE-2026-41145 (github.com/minio/minio) — CWE-287 /
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
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
**authentication bypass** (CWE-287) exists in github.com/minio/minio.
📍 Affected scope
github.com/minio/minio — .
🔥 Severity
Severity: ?. Data can be tampered with by attackers
🔧 How to fix
Update to the patched release per vendor advisory.
🛡️ 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 'github.com/minio/minio' .` 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
-
1Identify exposure identify
grep -r 'github.com/minio/minio' . | 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/minio/minio` を grep し、稼働しているサービス・バージョンを把握する。
-
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
Go
github.com/minio/minio
[{"type":"SEMVER","events":[{"introduced":"0.0.0-20230506025312-76913a9fd5c6"}]}]
Bitnami
minio
[{"type":"SEMVER","events":[{"introduced":"2023.05.18"}]}]
References
- advisory https://github.com/minio/minio/security/advisories/GHSA-hv4r-mvr4-25vw
- advisory https://nvd.nist.gov/vuln/detail/CVE-2026-41145
- package https://github.com/minio/minio
- patch https://github.com/minio/minio/pull/16484
- patch https://github.com/minio/minio/commit/76913a9fd5c6e5c2dbd4e8c7faf56ed9e9e24091