Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') Affecting langroid package, versions [,0.65.3)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-PYTHON-LANGROID-17837072
- published6 Jul 2026
- disclosed6 Jul 2026
- creditUnknown
Introduced: 6 Jul 2026
CVE-2026-54771 (opens in a new tab)How to fix?
Upgrade langroid to version 0.65.3 or higher.
Overview
langroid is a Harness LLMs with Multi-Agent Programming
Affected versions of this package are vulnerable to Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') via the handle_message process. An attacker can execute arbitrary tool handlers by sending crafted JSON payloads directly to the chat interface, bypassing sender verification. This may allow unauthorized access to sensitive operations such as file manipulation, database queries, or internal orchestration tools.