Symlink Attack Affecting bentoml package, versions [,1.4.39)
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-BENTOML-16479115
- published7 May 2026
- disclosed7 May 2026
- creditlarlarua
Introduced: 7 May 2026
CVE-2026-40610 (opens in a new tab)How to fix?
Upgrade bentoml to version 1.4.39 or higher.
Overview
bentoml is a BentoML: Build Production-Grade AI Applications
Affected versions of this package are vulnerable to Symlink Attack via the build packaging workflow. An attacker can access sensitive files from the build host by introducing crafted symlinks in the build context, which are followed and copied into the generated artifact during packaging. This can result in the exposure of confidential information if a developer or CI system builds from an untrusted source.