Arbitrary Code Injection Affecting letta package, versions [0,]
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
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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Start learning- Snyk IDSNYK-PYTHON-LETTA-11023292
- published27 Jul 2025
- disclosed22 Jul 2025
- creditUnknown
Introduced: 22 Jul 2025
NewCVE-2025-51482 (opens in a new tab)How to fix?
A fix was pushed into the master branch but not yet published.
Overview
letta is a Create LLM agents with long-term memory and custom tools
Affected versions of this package are vulnerable to Arbitrary Code Injection via the run_local_dir_sandbox_directly function in the tool_execution_sandbox.py file. An attacker can execute arbitrary Python code and system commands by sending specially crafted payloads to the /v1/tools/run endpoint, bypassing intended sandbox restrictions.