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CVE-2026-53966

Vulnerability in org.xwiki.platform:xwiki-platform-livedata-livetable (CVE-2026-53966)

Summary

vulnerability in org.xwiki.platform:xwiki-platform-livedata-livetable (CVE-2026-53966). Risk of unauthorized operations or information disclosure. Exploitable via ``UserUpdatingDocumentEvent``. Mitigation: upgrade to `18.1.0-rc-1` or later.

AI summary snake-internal / snake-material-v2

A vulnerability tracked as **CVE-2026-53966** has been found in org.xwiki.platform:xwiki-platform-livedata-livetable. Attackers can target a specific entry point like ``UserUpdatingDocumentEvent`` over the network to misuse the product. Risk of unauthorized operations or information disclosure. CVSS score: ?/10. What to do: upgrade org.xwiki.platform:xwiki-platform-livedata-livetable to **18.1.0-rc-1** or later. If unsure, ask your IT team or search "org.xwiki.platform:xwiki-platform-livedata-livetable CVE-2026-53966" on the vendor's site.
CVE-2026-53966 (org.xwiki.platform:xwiki-platform-livedata-livetable) — CWE-862 / Attack surface: `UserUpdatingDocumentEvent` Patched: `18.1.0-rc-1` — apply immediately Workaround: We're not aware of any workarounds apart from upgrading. 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-862) exists in org.xwiki.platform:xwiki-platform-livedata-livetable. Attackers reach the vulnerable code path via ``UserUpdatingDocumentEvent`` without authentication.
📍 Affected scope
org.xwiki.platform:xwiki-platform-livedata-livetable — . Attack surface: `UserUpdatingDocumentEvent`.
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **18.1.0-rc-1**.
🛡️ Workaround
Workaround: We're not aware of any workarounds apart from upgrading.
🔍 Detection
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run `grep -r 'org.xwiki.platform:xwiki-platform-livedata-livetable' .` 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 'org.xwiki.platform:xwiki-platform-livedata-livetable' . | 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 `org.xwiki.platform:xwiki-platform-livedata-livetable` を grep し、稼働しているサービス・バージョンを把握する。

  2. 5
    Apply temporary workaround mitigate 
    We're not aware of any workarounds apart from upgrading.

    パッチが適用されるまでの応急処置として、We're not aware of any workarounds apart from upgrading. を実施。回避策の副作用 (機能低下) を確認した上で。

  3. 6
    Apply patch patch 
    Upgrade org.xwiki.platform:xwiki-platform-livedata-livetable to 18.1.0-rc-1

    ステージング環境で 18.1.0-rc-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。

  4. 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

maven org.xwiki.platform:xwiki-platform-livedata-livetable
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"18.1.0-rc-1"}]}]

References

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