Insufficient Control Flow Management Affecting vyper package, versions [,0.4.1)
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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Test your applications- Snyk IDSNYK-PYTHON-VYPER-8743936
- published23 Feb 2025
- disclosed21 Feb 2025
- creditcharles-cooper
Introduced: 21 Feb 2025
CVE-2025-27104 (opens in a new tab)How to fix?
Upgrade vyper to version 0.4.1 or higher.
Overview
vyper is a Pythonic Smart Contract Language for the EVM.
Affected versions of this package are vulnerable to Insufficient Control Flow Management due to the evaluation of iterator expressions in the loop body that can consume side effects from the loop iterations. An attacker can manipulate the program's state and cause unexpected behavior by exploiting the side effects in the loop body.