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CVE-2026-1322 medium CVSS 6.8

Vulnerability in gitlab (CVE-2026-1322)

Summary

vulnerability in gitlab (CVE-2026-1322). Confidential information can be exposed externally. Mitigation: upgrade to `18.9.7, 18.10.6, 18.11.3` or later.

AI summary snake-internal / snake-material-v2

A vulnerability tracked as **CVE-2026-1322** has been found in gitlab. Confidential information can be exposed externally. CVSS score: 6.8/10. What to do: upgrade gitlab to **18.9.7, 18.10.6, 18.11.3** or later. If unsure, ask your IT team or search "gitlab CVE-2026-1322" on the vendor's site.
CVE-2026-1322 (gitlab) — CWE-840 / CVSS v3 6.8 Attack vector: remote (network-reachable) / no user interaction Patched: `18.9.7, 18.10.6, 18.11.3` — 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-840) exists in gitlab.
📍 Affected scope
gitlab — .
🔥 Severity
Severity: Medium (CVSS 6.8/10). Confidential information can be exposed externally
🔧 How to fix
Update to **18.9.7, 18.10.6, 18.11.3**.
🛡️ 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 'gitlab' .` 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

  1. 1
    Identify exposure identify 
    grep -r 'gitlab' . | 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 `gitlab` を grep し、稼働しているサービス・バージョンを把握する。

  2. 6
    Apply patch patch 
    Upgrade gitlab to 18.9.7, 18.10.6, 18.11.3

    ステージング環境で 18.9.7, 18.10.6, 18.11.3 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。

  3. 7
    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 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 gitlab
[{"type":"SEMVER","events":[{"introduced":"16.0.0"},{"fixed":"18.9.7"},{"introduced":"18.10.0"},{"fixed":"18.10.6"},{"introduced":"18.11.0"},{"fixed":"18.11.3"}]}]

References

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