Access Control Bypass Affecting sanic-cors package, versions [0,]
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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- published29 Jun 2026
- disclosed5 Jun 2026
- creditUnknown
Introduced: 5 Jun 2026
CVE-2026-37737 (opens in a new tab)How to fix?
There is no fixed version for Sanic-Cors.
Overview
Sanic-Cors is an A Sanic extension adding a decorator for CORS support. Based on flask-cors by Cory Dolphin.
Affected versions of this package are vulnerable to Access Control Bypass via the try_match function. An attacker can gain unauthorized access to cross-origin requests for authenticated resources by registering a domain that begins with a trusted origin string, thereby bypassing origin allowlists.