Langroid: Sandbox Escape to Remote Code Execution via Incomplete eval() Mitigation in TableChatAgent

Exploitation

No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.

CVSS

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

EPSS

• CVE-2026-54769: 0.91% estimated exploitation activity in the next 30 days; percentile 60.09 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.

As published by the source; long descriptions are shortened.

Advisory Details Title: Sandbox Escape to Remote Code Execution via Incomplete eval() Mitigation in TableChatAgent Description: Summary Langroid is vulnerable to a critical Sandbox Escape leading to Remote Code Execution (RCE) in its TableChatAgent and VectorStore capabilities. When these agents evaluate LLM-generated tool messages with fulleval=True, they attempt to sandbox the execution by explicitly setting locals to an empty dictionary {} inside Python's eval() function. However, this relies on an incomplete understanding of Python's execution model. Because builtins is not explicitly scrubbed from the globals dictionary mapping, Python implicitly injects all built-ins during execution, granting full access to functions like import('os').system(). Since TableChatAgent.pandaseval() executes external LLM outputs natively, this bypass permits any attacker providing prompt payload to achieve unauthenticated RCE on the host system. Details The root cause lies in how the framework…

Published by the source

6 Jul 2026, 20:42 UTC

Last modified by the source

13 Jul 2026, 16:43 UTC

Source last checked

26 Oct 2026, 13:46 UTC

1. Revision 3 · amended · 26 Oct 2026

   Amended from ghsa record GHSA-q9p7-wqxg-mrhc

2. Revision 2 · amended · 24 Oct 2026

   Amended from osv record GHSA-q9p7-wqxg-mrhc

3. Revision 1 · created · 23 Oct 2026

   Published from ghsa record GHSA-q9p7-wqxg-mrhc

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# Patch Next advisory brief: CVE-2026-54769

Advisory: Langroid: Sandbox Escape to Remote Code Execution via Incomplete `eval()` Mitigation in TableChatAgent
IDs: CVE-2026-54769, GHSA-q9p7-wqxg-mrhc
Record: https://patchnext.com/advisories/cve-2026-54769 (revision 3, source checked 26 Oct 2026, 13:46 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Critical (CVSS 10.0)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: langroid 0.65.2. A vendor fix does not mean a deployment is fixed.

## Affected components
- PyPI langroid: affected <= 0.65.1; fixed in 0.65.2

## Suggested inspection (read-only)
- `python -m pip show langroid`: prints the installed version. Run with the environment that serves production active.

## Supported action
Upgrade each affected component to a fixed version on its release line. For a transitive dependency, upgrade the parent package or add an override or constraint, then regenerate the lockfile. Redeploy every environment that ran an affected version.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on langroid.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://github.com/advisories/GHSA-q9p7-wqxg-mrhc (GitHub-reviewed advisory GHSA-q9p7-wqxg-mrhc lists affected ranges: PyPI langroid >=0 <=0.65.1)
- Verified: https://osv.dev/vulnerability/GHSA-q9p7-wqxg-mrhc (OSV record GHSA-q9p7-wqxg-mrhc lists affected ranges: PyPI langroid >=0 <0.65.2 (fixed))

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