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CVE-2026-108853 high CVSS 8.1

Vulnerability in UnicomAI Wanwu (CVE-2026-108853)

Summary

Vulnerability in UnicomAI Wanwu (CVE-2026-108853). Data can be tampered with by attackers. Exploitable via DELETE /v1/appspace/app.

Original description

The description as published by the source.

UnicomAI Wanwu before 0.6.3 contains an insecure direct object reference vulnerability that allows authenticated low-privileged users to delete other tenants' agent or RAG applications by supplying their appId. Attackers can send requests to DELETE /v1/appspace/app with guessed sequential assistant IDs to permanently delete victims' applications, workflows, conversations, and associated data.

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-2026-108853 has been found in UnicomAI Wanwu.
Attackers can target a specific entry point like DELETE /v1/appspace/app over the network to misuse the product.
Data can be tampered with by attackers. CVSS score: 8.1/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "UnicomAI Wanwu CVE-2026-108853" on the vendor's site.

CVE-2026-108853 (UnicomAI Wanwu) — CWE-639 / CVSS v3 8.1
Attack vector: remote (network-reachable) / no user interaction
Attack surface: DELETE /v1/appspace/app
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-639) exists in UnicomAI Wanwu. Attackers reach the vulnerable code path via DELETE /v1/appspace/app.

📍 Affected scope

Check the vendor advisory for the affected versions of UnicomAI Wanwu. Attack surface: DELETE /v1/appspace/app.

🔥 Severity

Severity: High (CVSS 8.1/10). 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 DELETE /v1/appspace/app requests with malformed payloads or SQL meta-characters. Audit SBOM/dependencies to find affected services.

Response actions

Concrete steps and command examples for SOC/SRE teams to execute in order

  1. 1
    Identify exposure identify 
    Audit SBOM/dependencies for affected components.

    資産台帳・SBOM・依存マニフェストで UnicomAI Wanwu を使っているサービスとバージョンを洗い出す。

  2. 2
    Hunt for indicators of compromise detect 
    grep 'DELETE /v1/appspace/app' /var/log/nginx/access.log | grep -E '(unusual_payload|sqli_pattern)'

    アクセスログで DELETE /v1/appspace/app への異常なリクエスト (不正な認証ヘッダ・SQLメタ文字)を過去 30〜90日分捜索。WAF/SIEM があれば該当パスのアラート発火履歴を確認。

  3. 3
    Post-deployment verification verify 
    Replay attack against DELETE /v1/appspace/app on staging to confirm patch closes the vector

    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 2 と同じログクエリでアラート再発が無いか継続監視。

References

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