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CVE-2025-46726
XXE (XML External Entity) in langroid (CVE-2025-46726)
Summary
vulnerability in langroid (CVE-2025-46726). Risk of unauthorized operations or information disclosure. Exploitable via ``XMLToolMessage``. Mitigation: upgrade to `0.53.4` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2025-46726** has been found in langroid.
Attackers can target a specific entry point like ``XMLToolMessage`` over the network to misuse the product.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade langroid to **0.53.4** or later.
If unsure, ask your IT team or search "langroid CVE-2025-46726" on the vendor's site.
CVE-2025-46726 (langroid) — CWE-611 /
Attack surface: `XMLToolMessage` / `lxml` / `XMLParser`
Patched: `0.53.4` — 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-611) exists in langroid. Attackers reach the vulnerable code path via ``XMLToolMessage`` without authentication.
📍 Affected scope
langroid — . Attack surface: `XMLToolMessage` / `lxml` / `XMLParser`.
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **0.53.4**.
🛡️ 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 'langroid' .` 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
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1Identify exposure identify
grep -r 'langroid' . | 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 `langroid` を grep し、稼働しているサービス・バージョンを把握する。
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6Apply patch patch
Upgrade langroid to 0.53.4ステージング環境で 0.53.4 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。
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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
PyPI
langroid
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.53.4"}]}]
References
- advisory https://nvd.nist.gov/vuln/detail/CVE-2025-46726
- advisory https://github.com/advisories/GHSA-pw95-88fg-3j6f
- package https://github.com/langroid/langroid
- package https://pypi.org/project/langroid
- web https://github.com/langroid/langroid/security/advisories/GHSA-pw95-88fg-3j6f
- web https://github.com/langroid/langroid/commit/36e7e7db4dd1636de225c2c66c84052b1e9ac3c3
- web https://github.com/langroid/langroid/blob/df6227e6c079ec22bb2768498423148d6685acff/langroid/agent/xml_tool_message.py#L51-L52