What’s Vulnerable › Vulnerabilities

CVE-2025-46726: Langroid Vulnerable to XXE Injection via XMLToolMessage

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-05-05 · updated 2026-06-17
• Weakness: CWE-611

Description

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.

Affected products

• langroid: before 0.53.4 — fixed in 0.53.4

How to fix

Upgrade to a fixed version: langroid 0.53.4. Check the vendor advisory for mitigations.

References

• https://github.com/langroid/langroid/blob/df6227e6c079ec22bb2768498423148d6685acff/langroid/agent/xml_tool_message.py#L51-L52
• https://github.com/langroid/langroid/commit/36e7e7db4dd1636de225c2c66c84052b1e9ac3c3
• https://github.com/langroid/langroid/security/advisories/GHSA-pw95-88fg-3j6f

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