Vulnerability · Published May 5, 2025 · Assigned by GitHub_M

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

High 7.8

In plain English

A high-severity XML external entity in langroid from langroid. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 52% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 4.0)7.8High

Exploit odds (30 days)0.7%top 48.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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 packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
PyPI	langroid	0.53.4	GHSA-pw95-88fg-3j6f
PyPI	langroid	0.53.4	PYSEC-2026-1532

Affected products (as reported)

Vendor	Product	Versions
langroid	langroid	< 0.53.4

Weakness: CWE-611 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:P

References

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