CVE-2026-37737
Medium · 6.5CVSS
6.5
EPSS
0.2%
Published
Jun 5, 2026
CISA due date
—
The record
sanic-cors version 2.2.0 and prior contains an improper regular expression in the try_match() function in sanic_cors/core.py that uses re.match without end-anchoring. This allows an attacker to bypass CORS origin allowlists by registering a domain that begins with a trusted origin string, to gain unauthorized access to cross-origin requests for authenticated resources.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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