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Vulnerability record · CVE-2026-50181 · published 10 July 2026

CVE-2026-50181: Path traversal vulnerability

Langroid is a framework for building large-language-model-powered applications. Prior to version 0.64.0, Langroid's `ReadFileTool` and `WriteFileTool` appear to treat `curr_dir` as the intended working-directory boundary for file operations. However, the tools only change the process working directory to `curr_dir` and then operate on the user-supplied `file_path` without resolving and enforcing that the final path remains inside `curr_dir`. As a result, a tool caller can supply path traversal sequences such as `../secret.txt` to read files outside the configured current directory, or `../written_by_tool.txt` to write files outside that directory. This can impact applications that expose Langroid file tools to an LLM agent, user-controlled tool call, or delegated coding/documentation agent while relying on `curr_dir` to restrict file access to a project/workspace directory. Version 0.64.0 patches the issue.

7.1 CVSS 3.1 High EPSS 0.18% · top 92.9% CWE-22 · Path traversalCWE-23 · Relative path traversal Deferred
7.1CVSS 3.1 base score
0.18%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
14 Jul 2026Last modified by NVD

Description

Langroid is a framework for building large-language-model-powered applications. Prior to version 0.64.0, Langroid's `ReadFileTool` and `WriteFileTool` appear to treat `curr_dir` as the intended working-directory boundary for file operations. However, the tools only change the process working directory to `curr_dir` and then operate on the user-supplied `file_path` without resolving and enforcing that the final path remains inside `curr_dir`. As a result, a tool caller can supply path traversal sequences such as `../secret.txt` to read files outside the configured current directory, or `../written_by_tool.txt` to write files outside that directory. This can impact applications that expose Langroid file tools to an LLM agent, user-controlled tool call, or delegated coding/documentation agent while relying on `curr_dir` to restrict file access to a project/workspace directory. Version 0.64.0 patches the issue.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

References

LinkTags
https://github.com/langroid/langroid/commit/56e2756ecab70a70a7e6edbee2f2187b8484683e
https://github.com/langroid/langroid/security/advisories/GHSA-fg23-3346-88f5
https://github.com/langroid/langroid/security/advisories/GHSA-fg23-3346-88f5

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Source: NIST National Vulnerability Database (record CVE-2026-50181), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.