PYSEC-2026-3539 sanic-cors contains an improper regular expression in the try_match() function

sanic-cors version 2.2.0 and prior contains an improper regular expression in the trymatch function in saniccors/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...

sanic-cors contains an improper regular expression in the try_match() function

sanic-cors version 2.2.0 and prior contains an improper regular expression in the trymatch function in saniccors/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...

PT-2026-46962

Name of the Vulnerable Software and Affected Versions sanic-cors versions prior to 2.2.1 Description An improper regular expression is used in the try match function within sanic cors/core.py. The function utilizes re.match without end-anchoring, which allows an attacker to bypass Cross-Origin...

CVE-2026-37737

The sanic-cors library (versions 2.2.0 and prior ) is vulnerable to a CORS origin allowlist bypass due to an improper regular expression in the try_match() function within sanic_cors/core.py. The root cause is the use of re.match without end-anchoring , which allows an attacker to register a doma...