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CVE-2026-23960 medium CVSS 5.4

Cross-Site Scripting (XSS) in argo-workflows (CVE-2026-23960)

Summary

cross-site scripting in argo-workflows (CVE-2026-23960). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `3.6.17, 3.7.8` or later.

AI summary snake-internal / snake-material-v2

A vulnerability tracked as **CVE-2026-23960** has been found in argo-workflows. Risk of unauthorized operations or information disclosure. CVSS score: 5.4/10. What to do: upgrade argo-workflows to **3.6.17, 3.7.8** or later. If unsure, ask your IT team or search "argo-workflows CVE-2026-23960" on the vendor's site.
CVE-2026-23960 (argo-workflows) — CWE-79 / CVSS v3 5.4 Attack vector: remote (network-reachable) Patched: `3.6.17, 3.7.8` — 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
**Cross-site scripting (XSS)** (CWE-79) exists in argo-workflows.
📍 Affected scope
argo-workflows — .
🔥 Severity
Severity: Medium (CVSS 5.4/10). Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **3.6.17, 3.7.8**.
🛡️ 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 'argo-workflows' .` 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 'argo-workflows' . | 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 `argo-workflows` 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 argo-workflows to 3.6.17, 3.7.8

    ステージング環境で 3.6.17, 3.7.8 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 argo-workflows
[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.6.17"},{"introduced":"3.7.0"},{"fixed":"3.7.8"}]}]

References

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