Langroid Vulnerable to XXE Injection via XMLToolMessage
Priority HIGH 73CWE-611Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub.
Summary
Langroid is a framework for building large-language-model-powered applications. Prior to version 0.53.4, a LLM application leveraging `XMLToolMessage` class may be exposed to untrusted XML input that could result in DoS and/or exposing local files with sensitive information. Version 0.53.4 fixes the issue.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00659 51st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed langroid (langroid): 0.53.4langroid (PyPI): 0.53.4
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| langroid | langroid | before 0.53.4 | 0.53.4 | Patch available | CNA |
| — | langroid (PyPI) | before 0.53.4 | 0.53.4 | Patch available | GHSA-pw95-88fg-3j6f |
- langroid Vendorlangroid Affected before 0.53.4 Fixed in 0.53.4 Patch available CNA
- langroid (PyPI) Vendor— Affected before 0.53.4 Fixed in 0.53.4 Patch available GHSA-pw95-88fg-3j6f
Remediation
- Fix · CNA langroid (langroid) Fixed in 0.53.4
- Fix · GHSA-pw95-88fg-3j6f langroid (PyPI) Fixed in 0.53.4 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2025-46726
- 2026-10-03 Alias added: GHSA-pw95-88fg-3j6f
- 2026-10-18 EPSS moved to the 50th–90th percentile
References
More Langroid vulnerabilities
- TI-2026-20592 Langroid has WAF Bypass Leading to RCE in TableChatAgent CVSS 4.0CRITICAL 9.4
- TI-2025-29395 Langroid has a Code Injection vulnerability in TableChatAgent CVSS 3.1CRITICAL 9.8
- TI-2025-29396 Langroid has a Code Injection vulnerability in LanceDocChatAgent through vector_store CVSS 4.0HIGH 8.1
Sources
- CVE-2025-46726 · CVE Program
- CVE-2025-46726 · NVD
- FIRST EPSS
- GHSA-pw95-88fg-3j6f · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences