Reliance on Untrusted Inputs in a Security Decision Affecting litestar package, versions [,2.18.0)
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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Test your applications- Snyk IDSNYK-PYTHON-LITESTAR-13433195
- published8 Oct 2025
- disclosed6 Oct 2025
- creditcrum7
Introduced: 6 Oct 2025
NewCVE-2025-59152 (opens in a new tab)How to fix?
Upgrade litestar to version 2.18.0 or higher.
Overview
litestar is a Litestar - A production-ready, highly performant, extensible ASGI API Framework
Affected versions of this package are vulnerable to Reliance on Untrusted Inputs in a Security Decision due to the use of X-Forwarded-For header in the cache_key_from_request function. An attacker can circumvent rate limiting by sending requests with varying X-Forwarded-For header values, thereby creating separate rate limit buckets for each spoofed value.